53671564 has 6 divisors (see below), whose sum is σ = 93925244. Its totient is φ = 26835780.

The previous prime is 53671559. The next prime is 53671589. The reversal of 53671564 is 46517635.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6708942 + ... + 6708949.

Almost surely, 2^53671564 is an apocalyptic number.

It is an amenable number.

53671564 is a deficient number, since it is larger than the sum of its proper divisors (40253680).

53671564 is a wasteful number, since it uses less digits than its factorization.

53671564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13417895 (or 13417893 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 53671564 is about 7326.0879055605. The cubic root of 53671564 is about 377.2084534608.

The spelling of 53671564 in words is "fifty-three million, six hundred seventy-one thousand, five hundred sixty-four".