51013522 has 16 divisors (see below), whose sum is σ = 87579072. Its totient is φ = 21831120.

The previous prime is 51013519. The next prime is 51013597. The reversal of 51013522 is 22531015.

It is a self number, because there is not a number n which added to its sum of digits gives 51013522.

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, 9108 + ... + 13600.

It is an arithmetic number, because the mean of its divisors is an integer number (5473692).

Almost surely, 2^51013522 is an apocalyptic number.

51013522 is a deficient number, since it is larger than the sum of its proper divisors (36565550).

51013522 is a wasteful number, since it uses less digits than its factorization.

51013522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51013522 is about 7142.3750951627. The cubic root of 51013522 is about 370.8757487934.

Adding to 51013522 its reverse (22531015), we get a palindrome (73544537).

The spelling of 51013522 in words is "fifty-one million, thirteen thousand, five hundred twenty-two".