53475988 has 12 divisors (see below), whose sum is σ = 93735712. Its totient is φ = 26694360.

The previous prime is 53475977. The next prime is 53475997. The reversal of 53475988 is 88957435.

It is a super-2 number, since 2×53475988² = 5719362585152288, 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 3 ways as a sum of consecutive naturals, for example, 8070 + ... + 13117.

Almost surely, 2^53475988 is an apocalyptic number.

It is an amenable number.

53475988 is a deficient number, since it is larger than the sum of its proper divisors (40259724).

53475988 is a wasteful number, since it uses less digits than its factorization.

53475988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21822 (or 21820 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 53475988 is about 7312.7278084173. The cubic root of 53475988 is about 376.7497207236.

The spelling of 53475988 in words is "fifty-three million, four hundred seventy-five thousand, nine hundred eighty-eight".