53764638 has 8 divisors (see below), whose sum is σ = 107529288. Its totient is φ = 17921544.

The previous prime is 53764583. The next prime is 53764651. The reversal of 53764638 is 83646735.

It is a sphenic number, since it is the product of 3 distinct primes.

53764638 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 53764638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4480381 + ... + 4480392.

It is an arithmetic number, because the mean of its divisors is an integer number (13441161).

Almost surely, 2^53764638 is an apocalyptic number.

53764638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53764638 is a wasteful number, since it uses less digits than its factorization.

53764638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8960778.

The product of its digits is 362880, while the sum is 42.

The square root of 53764638 is about 7332.4373846628. The cubic root of 53764638 is about 377.4263716175.

The spelling of 53764638 in words is "fifty-three million, seven hundred sixty-four thousand, six hundred thirty-eight".