55724546 has 24 divisors (see below), whose sum is σ = 87701760. Its totient is φ = 26549640.

The previous prime is 55724533. The next prime is 55724567. The reversal of 55724546 is 64542755.

It is a super-2 number, since 2×55724546² = 6210450053812232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151655 + ... + 152021.

It is an arithmetic number, because the mean of its divisors is an integer number (3654240).

Almost surely, 2^55724546 is an apocalyptic number.

55724546 is a deficient number, since it is larger than the sum of its proper divisors (31977214).

55724546 is a wasteful number, since it uses less digits than its factorization.

55724546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 479 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 55724546 is about 7464.8875410149. The cubic root of 55724546 is about 381.9579140974.

The spelling of 55724546 in words is "fifty-five million, seven hundred twenty-four thousand, five hundred forty-six".