55502402 has 8 divisors (see below), whose sum is σ = 83292300. Its totient is φ = 27738304.

The previous prime is 55502389. The next prime is 55502413. The reversal of 55502402 is 20420555.

55502402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39828721 + 15673681 = 6311^2 + 3959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374 + ... + 10542.

Almost surely, 2^55502402 is an apocalyptic number.

55502402 is a deficient number, since it is larger than the sum of its proper divisors (27789898).

55502402 is a wasteful number, since it uses less digits than its factorization.

55502402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12900.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 55502402 is about 7449.9934228159. The cubic root of 55502402 is about 381.4496840897.

Adding to 55502402 its reverse (20420555), we get a palindrome (75922957).

The spelling of 55502402 in words is "fifty-five million, five hundred two thousand, four hundred two".