51207960 has 64 divisors (see below), whose sum is σ = 154159200. Its totient is φ = 13607936.

The previous prime is 51207931. The next prime is 51207971. The reversal of 51207960 is 6970215.

51207960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46132 + ... + 47228.

Almost surely, 2^51207960 is an apocalyptic number.

It is an amenable number.

51207960 is an abundant number, since it is smaller than the sum of its proper divisors (102951240).

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

51207960 is a wasteful number, since it uses less digits than its factorization.

51207960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 51207960 is about 7155.9737282916. The cubic root of 51207960 is about 371.3463489456.

The spelling of 51207960 in words is "fifty-one million, two hundred seven thousand, nine hundred sixty".