55657568262 has 64 divisors (see below), whose sum is σ = 118284042240. Its totient is φ = 17410269600.

The previous prime is 55657568261. The next prime is 55657568269. The reversal of 55657568262 is 26286575655.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55657568261) 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 31 ways as a sum of consecutive naturals, for example, 5774187 + ... + 5783817.

It is an arithmetic number, because the mean of its divisors is an integer number (1848188160).

Almost surely, 2^55657568262 is an apocalyptic number.

55657568262 is an abundant number, since it is smaller than the sum of its proper divisors (62626473978).

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

55657568262 is a wasteful number, since it uses less digits than its factorization.

55657568262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129.

The product of its digits is 30240000, while the sum is 57.

The spelling of 55657568262 in words is "fifty-five billion, six hundred fifty-seven million, five hundred sixty-eight thousand, two hundred sixty-two".