55312014400 has 42 divisors (see below), whose sum is σ = 136102129370. Its totient is φ = 22124805120.

The previous prime is 55312014349. The next prime is 55312014451. The reversal of 55312014400 is 441021355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55312014349) and next prime (55312014451).

It can be written as a sum of positive squares in 3 ways, for example, as 5568741376 + 49743273024 = 74624^2 + 223032^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17283405 + ... + 17286604.

Almost surely, 2^55312014400 is an apocalyptic number.

55312014400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55312014400 is an abundant number, since it is smaller than the sum of its proper divisors (80790114970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55312014400 is a wasteful number, since it uses less digits than its factorization.

55312014400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34570031 (or 34570016 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 55312014400 its reverse (441021355), we get a palindrome (55753035755).

The spelling of 55312014400 in words is "fifty-five billion, three hundred twelve million, fourteen thousand, four hundred".