51527560 has 64 divisors (see below), whose sum is σ = 133430400. Its totient is φ = 17542656.

The previous prime is 51527537. The next prime is 51527573. The reversal of 51527560 is 6572515.

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, 45076 + ... + 46204.

It is an arithmetic number, because the mean of its divisors is an integer number (2084850).

Almost surely, 2^51527560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51527560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66715200).

51527560 is an abundant number, since it is smaller than the sum of its proper divisors (81902840).

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

51527560 is a wasteful number, since it uses less digits than its factorization.

51527560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 51527560 is about 7178.2699865636. The cubic root of 51527560 is about 372.1172983472.

The spelling of 51527560 in words is "fifty-one million, five hundred twenty-seven thousand, five hundred sixty".