54642612231 has 24 divisors (see below), whose sum is σ = 81902817360. Its totient is φ = 36405562752.

The previous prime is 54642612197. The next prime is 54642612251. The reversal of 54642612231 is 13221624645.

54642612231 is a `hidden beast` number, since 5 + 4 + 6 + 4 + 2 + 612 + 2 + 31 = 666.

It is not a de Polignac number, because 54642612231 - 2¹⁰ = 54642611207 is a prime.

It is a super-2 number, since 2×54642612231² (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 (54642612251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322255 + ... + 461663.

It is an arithmetic number, because the mean of its divisors is an integer number (3412617390).

Almost surely, 2^54642612231 is an apocalyptic number.

54642612231 is a deficient number, since it is larger than the sum of its proper divisors (27260205129).

54642612231 is a wasteful number, since it uses less digits than its factorization.

54642612231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141037 (or 141025 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 54642612231 in words is "fifty-four billion, six hundred forty-two million, six hundred twelve thousand, two hundred thirty-one".