51605792 has 24 divisors (see below), whose sum is σ = 116113536. Its totient is φ = 22116672.

The previous prime is 51605789. The next prime is 51605809. The reversal of 51605792 is 29750615.

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, 114968 + ... + 115415.

It is an arithmetic number, because the mean of its divisors is an integer number (4838064).

Almost surely, 2^51605792 is an apocalyptic number.

It is an amenable number.

51605792 is an abundant number, since it is smaller than the sum of its proper divisors (64507744).

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

51605792 is a wasteful number, since it uses less digits than its factorization.

51605792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230400 (or 230392 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 51605792 is about 7183.7171436520. The cubic root of 51605792 is about 372.3055261617.

The spelling of 51605792 in words is "fifty-one million, six hundred five thousand, seven hundred ninety-two".