51523124 has 12 divisors (see below), whose sum is σ = 95469444. Its totient is φ = 24246144.

The previous prime is 51523123. The next prime is 51523127. The reversal of 51523124 is 42132515.

It can be written as a sum of positive squares in 2 ways, for example, as 13823524 + 37699600 = 3718^2 + 6140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51523124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51523123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378779 + ... + 378914.

It is an arithmetic number, because the mean of its divisors is an integer number (7955787).

Almost surely, 2^51523124 is an apocalyptic number.

It is an amenable number.

51523124 is a deficient number, since it is larger than the sum of its proper divisors (43946320).

51523124 is a wasteful number, since it uses less digits than its factorization.

51523124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757714 (or 757712 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 51523124 is about 7177.9609918138. The cubic root of 51523124 is about 372.1066195331.

Adding to 51523124 its reverse (42132515), we get a palindrome (93655639).

The spelling of 51523124 in words is "fifty-one million, five hundred twenty-three thousand, one hundred twenty-four".