51107560 has 64 divisors (see below), whose sum is σ = 132048000. Its totient is φ = 17438976.

The previous prime is 51107557. The next prime is 51107591. The reversal of 51107560 is 6570115.

It is a super-2 number, since 2×51107560² = 5223965378307200, which contains 22 as substring.

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, 97459 + ... + 97981.

It is an arithmetic number, because the mean of its divisors is an integer number (2063250).

Almost surely, 2^51107560 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 51107560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66024000).

51107560 is an abundant number, since it is smaller than the sum of its proper divisors (80940440).

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

51107560 is a wasteful number, since it uses less digits than its factorization.

51107560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 51107560 is about 7148.9551684145. The cubic root of 51107560 is about 371.1034989003.

Adding to 51107560 its reverse (6570115), we get a palindrome (57677675).

The spelling of 51107560 in words is "fifty-one million, one hundred seven thousand, five hundred sixty".