51704372 has 24 divisors (see below), whose sum is σ = 91990080. Its totient is φ = 25424960.

The previous prime is 51704357. The next prime is 51704407. The reversal of 51704372 is 27340715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110483 + ... + 110949.

It is an arithmetic number, because the mean of its divisors is an integer number (3832920).

Almost surely, 2^51704372 is an apocalyptic number.

It is an amenable number.

51704372 is a deficient number, since it is larger than the sum of its proper divisors (40285708).

51704372 is a wasteful number, since it uses less digits than its factorization.

51704372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 51704372 is about 7190.5752203840. The cubic root of 51704372 is about 372.5424410000.

The spelling of 51704372 in words is "fifty-one million, seven hundred four thousand, three hundred seventy-two".