55867265838 has 32 divisors (see below), whose sum is σ = 124453072800. Its totient is φ = 18576883008.

The previous prime is 55867265833. The next prime is 55867265851. The reversal of 55867265838 is 83856276855.

55867265838 is a `hidden beast` number, since 558 + 6 + 7 + 26 + 58 + 3 + 8 = 666.

55867265838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55867265833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242681 + ... + 1286852.

It is an arithmetic number, because the mean of its divisors is an integer number (3889158525).

Almost surely, 2^55867265838 is an apocalyptic number.

55867265838 is an abundant number, since it is smaller than the sum of its proper divisors (68585806962).

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

55867265838 is a wasteful number, since it uses less digits than its factorization.

55867265838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529953 (or 2529947 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 63.

The spelling of 55867265838 in words is "fifty-five billion, eight hundred sixty-seven million, two hundred sixty-five thousand, eight hundred thirty-eight".