55042113402 has 24 divisors (see below), whose sum is σ = 119541201780. Its totient is φ = 18303788160.

The previous prime is 55042113397. The next prime is 55042113431. The reversal of 55042113402 is 20431124055.

55042113402 is a `hidden beast` number, since 5 + 504 + 2 + 113 + 40 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33037061121 + 22005052281 = 181761^2 + 148341^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3624127 + ... + 3639282.

Almost surely, 2^55042113402 is an apocalyptic number.

55042113402 is an abundant number, since it is smaller than the sum of its proper divisors (64499088378).

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

55042113402 is a wasteful number, since it uses less digits than its factorization.

55042113402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263838 (or 7263835 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 55042113402 its reverse (20431124055), we get a palindrome (75473237457).

The spelling of 55042113402 in words is "fifty-five billion, forty-two million, one hundred thirteen thousand, four hundred two".