54631690536 has 16 divisors (see below), whose sum is σ = 136579226400. Its totient is φ = 18210563504.

The previous prime is 54631690511. The next prime is 54631690541. The reversal of 54631690536 is 63509613645.

It is a super-2 number, since 2×54631690536² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138160196 + ... + 1138160243.

It is an arithmetic number, because the mean of its divisors is an integer number (8536201650).

Almost surely, 2^54631690536 is an apocalyptic number.

It is an amenable number.

54631690536 is an abundant number, since it is smaller than the sum of its proper divisors (81947535864).

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

54631690536 is a wasteful number, since it uses less digits than its factorization.

54631690536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276320448 (or 2276320444 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 48.

The spelling of 54631690536 in words is "fifty-four billion, six hundred thirty-one million, six hundred ninety thousand, five hundred thirty-six".