53657924 has 6 divisors (see below), whose sum is σ = 93901374. Its totient is φ = 26828960.

The previous prime is 53657921. The next prime is 53657939. The reversal of 53657924 is 42975635.

It can be written as a sum of positive squares in only one way, i.e., 45131524 + 8526400 = 6718^2 + 2920^2 .

It is not an unprimeable number, because it can be changed into a prime (53657921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6707237 + ... + 6707244.

It is an arithmetic number, because the mean of its divisors is an integer number (15650229).

Almost surely, 2^53657924 is an apocalyptic number.

It is an amenable number.

53657924 is a deficient number, since it is larger than the sum of its proper divisors (40243450).

53657924 is a wasteful number, since it uses less digits than its factorization.

53657924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13414485 (or 13414483 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 53657924 is about 7325.1569266467. The cubic root of 53657924 is about 377.1764963818.

The spelling of 53657924 in words is "fifty-three million, six hundred fifty-seven thousand, nine hundred twenty-four".