53772408 has 24 divisors (see below), whose sum is σ = 145633800. Its totient is φ = 17924112.

The previous prime is 53772401. The next prime is 53772431. The reversal of 53772408 is 80427735.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53772401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373348 + ... + 373491.

It is an arithmetic number, because the mean of its divisors is an integer number (6068075).

Almost surely, 2^53772408 is an apocalyptic number.

It is an amenable number.

53772408 is an abundant number, since it is smaller than the sum of its proper divisors (91861392).

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

53772408 is a wasteful number, since it uses less digits than its factorization.

53772408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746851 (or 746844 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 53772408 is about 7332.9672029813. The cubic root of 53772408 is about 377.4445524749. Note that the first 3 decimals are identical.

The spelling of 53772408 in words is "fifty-three million, seven hundred seventy-two thousand, four hundred eight".