55638061285 has 16 divisors (see below), whose sum is σ = 71993799360. Its totient is φ = 41139308160.

The previous prime is 55638061231. The next prime is 55638061307. The reversal of 55638061285 is 58216083655.

55638061285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55638061285 - 2²³ = 55629672677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7138347 + ... + 7146136.

It is an arithmetic number, because the mean of its divisors is an integer number (4499612460).

Almost surely, 2^55638061285 is an apocalyptic number.

It is an amenable number.

55638061285 is a deficient number, since it is larger than the sum of its proper divisors (16355738075).

55638061285 is a wasteful number, since it uses less digits than its factorization.

55638061285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14284548.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 55638061285 in words is "fifty-five billion, six hundred thirty-eight million, sixty-one thousand, two hundred eighty-five".