54621664 has 12 divisors (see below), whose sum is σ = 107536464. Its totient is φ = 27310816.

The previous prime is 54621643. The next prime is 54621667. The reversal of 54621664 is 46612645.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54621667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 853432 + ... + 853495.

It is an arithmetic number, because the mean of its divisors is an integer number (8961372).

Almost surely, 2^54621664 is an apocalyptic number.

It is an amenable number.

54621664 is a deficient number, since it is larger than the sum of its proper divisors (52914800).

54621664 is a wasteful number, since it uses less digits than its factorization.

54621664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706937 (or 1706929 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 54621664 is about 7390.6470623349. The cubic root of 54621664 is about 379.4212427042.

The spelling of 54621664 in words is "fifty-four million, six hundred twenty-one thousand, six hundred sixty-four".