53308372 has 12 divisors (see below), whose sum is σ = 100465876. Its totient is φ = 24603840.

The previous prime is 53308369. The next prime is 53308391. The reversal of 53308372 is 27380335.

It can be written as a sum of positive squares in 2 ways, for example, as 3549456 + 49758916 = 1884^2 + 7054^2 .

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, 512529 + ... + 512632.

Almost surely, 2^53308372 is an apocalyptic number.

53308372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53308372 is a deficient number, since it is larger than the sum of its proper divisors (47157504).

53308372 is a wasteful number, since it uses less digits than its factorization.

53308372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025178 (or 1025176 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 53308372 is about 7301.2582477269. The cubic root of 53308372 is about 376.3556786036.

The spelling of 53308372 in words is "fifty-three million, three hundred eight thousand, three hundred seventy-two".