54885638031 has 16 divisors (see below), whose sum is σ = 88554979584. Its totient is φ = 29518326144.

The previous prime is 54885638021. The next prime is 54885638153. The reversal of 54885638031 is 13083658845.

It is a happy number.

It is not a de Polignac number, because 54885638031 - 2⁹ = 54885637519 is a prime.

It is a super-2 number, since 2×54885638031² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54885638021) 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, 76870285 + ... + 76870998.

It is an arithmetic number, because the mean of its divisors is an integer number (5534686224).

Almost surely, 2^54885638031 is an apocalyptic number.

54885638031 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

54885638031 is a deficient number, since it is larger than the sum of its proper divisors (33669341553).

54885638031 is a wasteful number, since it uses less digits than its factorization.

54885638031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153741310.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 54885638031 in words is "fifty-four billion, eight hundred eighty-five million, six hundred thirty-eight thousand, thirty-one".