54491156761536 has 224 divisors, whose sum is σ = 179480156924160. Its totient is φ = 16066188518400.

The previous prime is 54491156761523. The next prime is 54491156761543. The reversal of 54491156761536 is 63516765119445.

54491156761536 is a `hidden beast` number, since 5 + 4 + 4 + 9 + 1 + 1 + 5 + 6 + 7 + 615 + 3 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38036550 + ... + 39443141.

Almost surely, 2^{54491156761536} is an apocalyptic number.

It is an amenable number.

54491156761536 is an abundant number, since it is smaller than the sum of its proper divisors (124989000162624).

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

54491156761536 is a wasteful number, since it uses less digits than its factorization.

54491156761536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77479760 (or 77479744 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The spelling of 54491156761536 in words is "fifty-four trillion, four hundred ninety-one billion, one hundred fifty-six million, seven hundred sixty-one thousand, five hundred thirty-six".