51610960 has 20 divisors (see below), whose sum is σ = 119995668. Its totient is φ = 20644352.

The previous prime is 51610943. The next prime is 51610961. The reversal of 51610960 is 6901615.

It can be written as a sum of positive squares in 2 ways, for example, as 10188864 + 41422096 = 3192^2 + 6436^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51610961) 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, 322489 + ... + 322648.

Almost surely, 2^51610960 is an apocalyptic number.

It is an amenable number.

51610960 is an abundant number, since it is smaller than the sum of its proper divisors (68384708).

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

51610960 is a wasteful number, since it uses less digits than its factorization.

51610960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645150 (or 645144 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 51610960 is about 7184.0768370056. The cubic root of 51610960 is about 372.3179537766.

It can be divided in two parts, 516 and 10960, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 51610960 in words is "fifty-one million, six hundred ten thousand, nine hundred sixty".