53997256 has 8 divisors (see below), whose sum is σ = 101244870. Its totient is φ = 26998624.

The previous prime is 53997247. The next prime is 53997271. The reversal of 53997256 is 65279935.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35593156 + 18404100 = 5966^2 + 4290^2 .

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

It is a hoax number, since the sum of its digits (46) 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 as a sum of consecutive naturals, namely, 3374821 + ... + 3374836.

Almost surely, 2^53997256 is an apocalyptic number.

It is an amenable number.

53997256 is a deficient number, since it is larger than the sum of its proper divisors (47247614).

53997256 is a wasteful number, since it uses less digits than its factorization.

53997256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6749663 (or 6749659 counting only the distinct ones).

The product of its digits is 510300, while the sum is 46.

The square root of 53997256 is about 7348.2825204261. The cubic root of 53997256 is about 377.9699125945.

The spelling of 53997256 in words is "fifty-three million, nine hundred ninety-seven thousand, two hundred fifty-six".