51521034 has 16 divisors (see below), whose sum is σ = 103177440. Its totient is φ = 17151120.

The previous prime is 51521021. The next prime is 51521077. The reversal of 51521034 is 43012515.

It is a self number, because there is not a number n which added to its sum of digits gives 51521034.

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, 304 + ... + 10155.

It is an arithmetic number, because the mean of its divisors is an integer number (6448590).

Almost surely, 2^51521034 is an apocalyptic number.

51521034 is an abundant number, since it is smaller than the sum of its proper divisors (51656406).

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

51521034 is a wasteful number, since it uses less digits than its factorization.

51521034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285.

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

The square root of 51521034 is about 7177.8154058181. The cubic root of 51521034 is about 372.1015880489.

Adding to 51521034 its reverse (43012515), we get a palindrome (94533549).

The spelling of 51521034 in words is "fifty-one million, five hundred twenty-one thousand, thirty-four".