55265661042 has 16 divisors (see below), whose sum is σ = 110539009152. Its totient is φ = 18420605840.

The previous prime is 55265661007. The next prime is 55265661043. The reversal of 55265661042 is 24016656255.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55265660985 and 55265661003.

It is not an unprimeable number, because it can be changed into a prime (55265661043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224634 + ... + 401237.

It is an arithmetic number, because the mean of its divisors is an integer number (6908688072).

Almost surely, 2^55265661042 is an apocalyptic number.

55265661042 is an abundant number, since it is smaller than the sum of its proper divisors (55273348110).

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

55265661042 is a wasteful number, since it uses less digits than its factorization.

55265661042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640593.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 55265661042 in words is "fifty-five billion, two hundred sixty-five million, six hundred sixty-one thousand, forty-two".