53557975 has 12 divisors (see below), whose sum is σ = 67160880. Its totient is φ = 42363200.

The previous prime is 53557963. The next prime is 53557993. The reversal of 53557975 is 57975535.

It is not a de Polignac number, because 53557975 - 2⁵ = 53557943 is a prime.

It is a super-2 number, since 2×53557975² = 5736913372201250, which contains 22 as substring.

It is a congruent number.

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, 9811 + ... + 14260.

It is an arithmetic number, because the mean of its divisors is an integer number (5596740).

Almost surely, 2^53557975 is an apocalyptic number.

53557975 is a deficient number, since it is larger than the sum of its proper divisors (13602905).

53557975 is a wasteful number, since it uses less digits than its factorization.

53557975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24170 (or 24165 counting only the distinct ones).

The product of its digits is 826875, while the sum is 46.

The square root of 53557975 is about 7318.3314355118. The cubic root of 53557975 is about 376.9421610335.

The spelling of 53557975 in words is "fifty-three million, five hundred fifty-seven thousand, nine hundred seventy-five".