55257464 has 8 divisors (see below), whose sum is σ = 103607760. Its totient is φ = 27628728.

The previous prime is 55257457. The next prime is 55257473. The reversal of 55257464 is 46475255.

55257464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×55257464² = 6106774655422592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3453584 + ... + 3453599.

It is an arithmetic number, because the mean of its divisors is an integer number (12950970).

Almost surely, 2^55257464 is an apocalyptic number.

It is an amenable number.

55257464 is a deficient number, since it is larger than the sum of its proper divisors (48350296).

55257464 is a wasteful number, since it uses less digits than its factorization.

55257464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907189 (or 6907185 counting only the distinct ones).

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

The square root of 55257464 is about 7433.5364396766. The cubic root of 55257464 is about 380.8877306223.

The spelling of 55257464 in words is "fifty-five million, two hundred fifty-seven thousand, four hundred sixty-four".