52633764 has 18 divisors (see below), whose sum is σ = 133046550. Its totient is φ = 17544576.

The previous prime is 52633747. The next prime is 52633769. The reversal of 52633764 is 46733625.

It can be written as a sum of positive squares in only one way, i.e., 46131264 + 6502500 = 6792^2 + 2550^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×52633764² = 5540626225615392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1462049 = 52633764 / (5 + 2 + 6 + 3 + 3 + 7 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (52633769) 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, 730989 + ... + 731060.

It is an arithmetic number, because the mean of its divisors is an integer number (7391475).

Almost surely, 2^52633764 is an apocalyptic number.

It is an amenable number.

52633764 is an abundant number, since it is smaller than the sum of its proper divisors (80412786).

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

52633764 is a wasteful number, since it uses less digits than its factorization.

52633764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462059 (or 1462054 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 52633764 is about 7254.9130938971. The cubic root of 52633764 is about 374.7613628384.

The spelling of 52633764 in words is "fifty-two million, six hundred thirty-three thousand, seven hundred sixty-four".