65552072 has 32 divisors (see below), whose sum is σ = 125193600. Its totient is φ = 32172864.

The previous prime is 65552057. The next prime is 65552077. The reversal of 65552072 is 27025556.

It is not an unprimeable number, because it can be changed into a prime (65552077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178433 + ... + 178799.

It is an arithmetic number, because the mean of its divisors is an integer number (3912300).

Almost surely, 2^65552072 is an apocalyptic number.

It is an amenable number.

65552072 is a deficient number, since it is larger than the sum of its proper divisors (59641528).

65552072 is a wasteful number, since it uses less digits than its factorization.

65552072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 65552072 is about 8096.4234079006. The cubic root of 65552072 is about 403.2076913635.

The spelling of 65552072 in words is "sixty-five million, five hundred fifty-two thousand, seventy-two".