51707672 has 32 divisors (see below), whose sum is σ = 100457280. Its totient is φ = 24934560.

The previous prime is 51707671. The next prime is 51707699. The reversal of 51707672 is 27670715.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51707671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27647 + ... + 29457.

It is an arithmetic number, because the mean of its divisors is an integer number (3139290).

Almost surely, 2^51707672 is an apocalyptic number.

It is an amenable number.

51707672 is a deficient number, since it is larger than the sum of its proper divisors (48749608).

51707672 is a wasteful number, since it uses less digits than its factorization.

51707672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 51707672 is about 7190.8046837611. The cubic root of 51707672 is about 372.5503665961.

The spelling of 51707672 in words is "fifty-one million, seven hundred seven thousand, six hundred seventy-two".