64612552 has 32 divisors (see below), whose sum is σ = 123868800. Its totient is φ = 31587264.

The previous prime is 64612549. The next prime is 64612567. The reversal of 64612552 is 25521646.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173038 + ... + 173410.

It is an arithmetic number, because the mean of its divisors is an integer number (3870900).

Almost surely, 2^64612552 is an apocalyptic number.

It is an amenable number.

64612552 is a deficient number, since it is larger than the sum of its proper divisors (59256248).

64612552 is a wasteful number, since it uses less digits than its factorization.

64612552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 801 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 64612552 is about 8038.1933293496. The cubic root of 64612552 is about 401.2721001146.

The spelling of 64612552 in words is "sixty-four million, six hundred twelve thousand, five hundred fifty-two".