64553892 has 24 divisors (see below), whose sum is σ = 162212736. Its totient is φ = 19862688.

The previous prime is 64553891. The next prime is 64553899. The reversal of 64553892 is 29835546.

It is not an unprimeable number, because it can be changed into a prime (64553891) 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, 206748 + ... + 207059.

It is an arithmetic number, because the mean of its divisors is an integer number (6758864).

Almost surely, 2^64553892 is an apocalyptic number.

It is an amenable number.

64553892 is an abundant number, since it is smaller than the sum of its proper divisors (97658844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64553892 is a wasteful number, since it uses less digits than its factorization.

64553892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413827 (or 413825 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 64553892 is about 8034.5436709249. The cubic root of 64553892 is about 401.1506286274.

The spelling of 64553892 in words is "sixty-four million, five hundred fifty-three thousand, eight hundred ninety-two".