51964744 has 16 divisors (see below), whose sum is σ = 104929020. Its totient is φ = 23983680.

The previous prime is 51964729. The next prime is 51964771. The reversal of 51964744 is 44746915.

It can be written as a sum of positive squares in 2 ways, for example, as 50836900 + 1127844 = 7130^2 + 1062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51964697 and 51964706.

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, 249727 + ... + 249934.

Almost surely, 2^51964744 is an apocalyptic number.

It is an amenable number.

51964744 is an abundant number, since it is smaller than the sum of its proper divisors (52964276).

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

51964744 is a wasteful number, since it uses less digits than its factorization.

51964744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499680 (or 499676 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 51964744 is about 7208.6575726691. The cubic root of 51964744 is about 373.1667418582.

The spelling of 51964744 in words is "fifty-one million, nine hundred sixty-four thousand, seven hundred forty-four".