53290772 has 12 divisors (see below), whose sum is σ = 93344916. Its totient is φ = 26620800.

The previous prime is 53290753. The next prime is 53290781. The reversal of 53290772 is 27709235.

It can be written as a sum of positive squares in 2 ways, for example, as 16760836 + 36529936 = 4094^2 + 6044^2 .

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, 743 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (7778743).

Almost surely, 2^53290772 is an apocalyptic number.

It is an amenable number.

53290772 is a deficient number, since it is larger than the sum of its proper divisors (40054144).

53290772 is a wasteful number, since it uses less digits than its factorization.

53290772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12298 (or 12296 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 53290772 is about 7300.0528765208. The cubic root of 53290772 is about 376.3142555351.

The spelling of 53290772 in words is "fifty-three million, two hundred ninety thousand, seven hundred seventy-two".