53764644 has 24 divisors (see below), whose sum is σ = 126357280. Its totient is φ = 17792064.

The previous prime is 53764583. The next prime is 53764651. The reversal of 53764644 is 44646735.

It is a happy number.

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, 14449 + ... + 17784.

Almost surely, 2^53764644 is an apocalyptic number.

It is an amenable number.

53764644 is an abundant number, since it is smaller than the sum of its proper divisors (72592636).

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

53764644 is a wasteful number, since it uses less digits than its factorization.

53764644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32379 (or 32377 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 53764644 is about 7332.4377938036. The cubic root of 53764644 is about 377.4263856575.

The spelling of 53764644 in words is "fifty-three million, seven hundred sixty-four thousand, six hundred forty-four".