53772164 has 12 divisors (see below), whose sum is σ = 94153500. Its totient is φ = 26871168.

The previous prime is 53772151. The next prime is 53772179. The reversal of 53772164 is 46127735.

It can be written as a sum of positive squares in 2 ways, for example, as 4884100 + 48888064 = 2210^2 + 6992^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 9992 + ... + 14400.

It is an arithmetic number, because the mean of its divisors is an integer number (7846125).

Almost surely, 2^53772164 is an apocalyptic number.

It is an amenable number.

53772164 is a deficient number, since it is larger than the sum of its proper divisors (40381336).

53772164 is a wasteful number, since it uses less digits than its factorization.

53772164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7462 (or 7460 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 53772164 is about 7332.9505657682. The cubic root of 53772164 is about 377.4439815711.

Adding to 53772164 its reverse (46127735), we get a palindrome (99899899).

The spelling of 53772164 in words is "fifty-three million, seven hundred seventy-two thousand, one hundred sixty-four".