51142524 has 24 divisors (see below), whose sum is σ = 124521600. Its totient is φ = 16306224.

The previous prime is 51142499. The next prime is 51142577. The reversal of 51142524 is 42524115.

It is a super-2 number, since 2×51142524² = 5231115522181152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51142494 and 51142503.

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, 92374 + ... + 92925.

It is an arithmetic number, because the mean of its divisors is an integer number (5188400).

Almost surely, 2^51142524 is an apocalyptic number.

It is an amenable number.

51142524 is an abundant number, since it is smaller than the sum of its proper divisors (73379076).

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

51142524 is a wasteful number, since it uses less digits than its factorization.

51142524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185329 (or 185327 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 51142524 is about 7151.4001426294. The cubic root of 51142524 is about 371.1881067676.

Adding to 51142524 its reverse (42524115), we get a palindrome (93666639).

The spelling of 51142524 in words is "fifty-one million, one hundred forty-two thousand, five hundred twenty-four".