55202435051440 has 40 divisors (see below), whose sum is σ = 128365726098960. Its totient is φ = 22077522045696.

The previous prime is 55202435051411. The next prime is 55202435051459. The reversal of 55202435051440 is 4415053420255.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 55202435051393 and 55202435051402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53422150 + ... + 54445669.

It is an arithmetic number, because the mean of its divisors is an integer number (3209143152474).

Almost surely, 2^{55202435051440} is an apocalyptic number.

It is an amenable number.

55202435051440 is an abundant number, since it is smaller than the sum of its proper divisors (73163291047520).

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

55202435051440 is a wasteful number, since it uses less digits than its factorization.

55202435051440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107874229 (or 107874223 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 55202435051440 its reverse (4415053420255), we get a palindrome (59617488471695).

The spelling of 55202435051440 in words is "fifty-five trillion, two hundred two billion, four hundred thirty-five million, fifty-one thousand, four hundred forty".