65354564 has 24 divisors (see below), whose sum is σ = 126483168. Its totient is φ = 29298240.

The previous prime is 65354561. The next prime is 65354573. The reversal of 65354564 is 46545356.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65354561) 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, 6962 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (5270132).

Almost surely, 2^65354564 is an apocalyptic number.

It is an amenable number.

65354564 is a deficient number, since it is larger than the sum of its proper divisors (61128604).

65354564 is a wasteful number, since it uses less digits than its factorization.

65354564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20435 (or 20433 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 65354564 is about 8084.2169688845. The cubic root of 65354564 is about 402.8023298542.

The spelling of 65354564 in words is "sixty-five million, three hundred fifty-four thousand, five hundred sixty-four".