54961664 has 20 divisors (see below), whose sum is σ = 109817004. Its totient is φ = 27480576.

The previous prime is 54961639. The next prime is 54961679. The reversal of 54961664 is 46616945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53162 + ... + 54185.

Almost surely, 2^54961664 is an apocalyptic number.

It is an amenable number.

54961664 is a deficient number, since it is larger than the sum of its proper divisors (54855340).

54961664 is an equidigital number, since it uses as much as digits as its factorization.

54961664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107365 (or 107349 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 54961664 is about 7413.6134239654. The cubic root of 54961664 is about 380.2068679723.

The spelling of 54961664 in words is "fifty-four million, nine hundred sixty-one thousand, six hundred sixty-four".