54645651 has 8 divisors (see below), whose sum is σ = 80956560. Its totient is φ = 36430416.

The previous prime is 54645637. The next prime is 54645659. The reversal of 54645651 is 15654645.

54645651 is a `hidden beast` number, since 5 + 4 + 645 + 6 + 5 + 1 = 666.

54645651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54645651 - 2²¹ = 52548499 is a prime.

It is a super-2 number, since 2×54645651² = 5972294346427602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54645659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011930 + ... + 1011983.

It is an arithmetic number, because the mean of its divisors is an integer number (10119570).

Almost surely, 2^54645651 is an apocalyptic number.

54645651 is a deficient number, since it is larger than the sum of its proper divisors (26310909).

54645651 is a wasteful number, since it uses less digits than its factorization.

54645651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023922 (or 2023916 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 54645651 is about 7392.2696785223. The cubic root of 54645651 is about 379.4767752820.

The spelling of 54645651 in words is "fifty-four million, six hundred forty-five thousand, six hundred fifty-one".