52407764 has 12 divisors (see below), whose sum is σ = 91934388. Its totient is φ = 26140800.

The previous prime is 52407743. The next prime is 52407767. The reversal of 52407764 is 46770425.

It can be written as a sum of positive squares in 2 ways, for example, as 9610000 + 42797764 = 3100^2 + 6542^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52407767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13877 + ... + 17244.

It is an arithmetic number, because the mean of its divisors is an integer number (7661199).

Almost surely, 2^52407764 is an apocalyptic number.

It is an amenable number.

52407764 is a deficient number, since it is larger than the sum of its proper divisors (39526624).

52407764 is a wasteful number, since it uses less digits than its factorization.

52407764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31546 (or 31544 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 52407764 is about 7239.3206863628. The cubic root of 52407764 is about 374.2242071242.

The spelling of 52407764 in words is "fifty-two million, four hundred seven thousand, seven hundred sixty-four".