51013524 has 24 divisors (see below), whose sum is σ = 121050720. Its totient is φ = 16716064.

The previous prime is 51013519. The next prime is 51013597. The reversal of 51013524 is 42531015.

It is a self number, because there is not a number n which added to its sum of digits gives 51013524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35319 + ... + 36734.

It is an arithmetic number, because the mean of its divisors is an integer number (5043780).

Almost surely, 2^51013524 is an apocalyptic number.

It is an amenable number.

51013524 is an abundant number, since it is smaller than the sum of its proper divisors (70037196).

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

51013524 is a wasteful number, since it uses less digits than its factorization.

51013524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72119 (or 72117 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51013524 is about 7142.3752351721. The cubic root of 51013524 is about 370.8757536402.

Adding to 51013524 its reverse (42531015), we get a palindrome (93544539).

The spelling of 51013524 in words is "fifty-one million, thirteen thousand, five hundred twenty-four".