54475817536 has 56 divisors (see below), whose sum is σ = 124073838720. Its totient is φ = 23246533632.

The previous prime is 54475817527. The next prime is 54475817537. The reversal of 54475817536 is 63571857445.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×54475817536² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54475817537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156556 + ... + 365323.

Almost surely, 2^54475817536 is an apocalyptic number.

54475817536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54475817536 is an abundant number, since it is smaller than the sum of its proper divisors (69598021184).

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

54475817536 is a wasteful number, since it uses less digits than its factorization.

54475817536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522131 (or 522121 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 55.

The spelling of 54475817536 in words is "fifty-four billion, four hundred seventy-five million, eight hundred seventeen thousand, five hundred thirty-six".