51474960 has 80 divisors (see below), whose sum is σ = 177310080. Its totient is φ = 13726080.

The previous prime is 51474947. The next prime is 51474977. The reversal of 51474960 is 6947415.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9756 + ... + 14075.

It is an arithmetic number, because the mean of its divisors is an integer number (2216376).

Almost surely, 2^51474960 is an apocalyptic number.

It is an amenable number.

51474960 is an abundant number, since it is smaller than the sum of its proper divisors (125835120).

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

51474960 is a wasteful number, since it uses less digits than its factorization.

51474960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23853 (or 23841 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 51474960 is about 7174.6052156199. The cubic root of 51474960 is about 371.9906345197.

The spelling of 51474960 in words is "fifty-one million, four hundred seventy-four thousand, nine hundred sixty".