51224960 has 32 divisors (see below), whose sum is σ = 122461200. Its totient is φ = 20489728.

The previous prime is 51224951. The next prime is 51224963. The reversal of 51224960 is 6942215.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51224963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39380 + ... + 40659.

Almost surely, 2^51224960 is an apocalyptic number.

It is an amenable number.

51224960 is an abundant number, since it is smaller than the sum of its proper divisors (71236240).

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

51224960 is an equidigital number, since it uses as much as digits as its factorization.

51224960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80058 (or 80046 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 51224960 is about 7157.1614485074. The cubic root of 51224960 is about 371.3874375412.

The spelling of 51224960 in words is "fifty-one million, two hundred twenty-four thousand, nine hundred sixty".