54617643 has 12 divisors (see below), whose sum is σ = 81612960. Its totient is φ = 35156016.

The previous prime is 54617627. The next prime is 54617671. The reversal of 54617643 is 34671645.

It is a happy number.

54617643 is a `hidden beast` number, since 5 + 4 + 6 + 1 + 7 + 643 = 666.

It is not a de Polignac number, because 54617643 - 2⁴ = 54617627 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 54617598 and 54617607.

It is not an unprimeable number, because it can be changed into a prime (54617603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104371 + ... + 104892.

It is an arithmetic number, because the mean of its divisors is an integer number (6801080).

Almost surely, 2^54617643 is an apocalyptic number.

54617643 is a deficient number, since it is larger than the sum of its proper divisors (26995317).

54617643 is a wasteful number, since it uses less digits than its factorization.

54617643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209298 (or 209295 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 54617643 is about 7390.3750243137. The cubic root of 54617643 is about 379.4119320501.

The spelling of 54617643 in words is "fifty-four million, six hundred seventeen thousand, six hundred forty-three".