54655191831 has 16 divisors (see below), whose sum is σ = 73727647200. Its totient is φ = 36010157568.

The previous prime is 54655191827. The next prime is 54655191853. The reversal of 54655191831 is 13819155645.

54655191831 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 54655191831 - 2² = 54655191827 is a prime.

It is a super-2 number, since 2×54655191831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54655195831) 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, 522685 + ... + 618473.

It is an arithmetic number, because the mean of its divisors is an integer number (4607977950).

Almost surely, 2^54655191831 is an apocalyptic number.

54655191831 is a deficient number, since it is larger than the sum of its proper divisors (19072455369).

54655191831 is a wasteful number, since it uses less digits than its factorization.

54655191831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98018.

The product of its digits is 648000, while the sum is 48.

The spelling of 54655191831 in words is "fifty-four billion, six hundred fifty-five million, one hundred ninety-one thousand, eight hundred thirty-one".