51124836 has 48 divisors (see below), whose sum is σ = 139126400. Its totient is φ = 14605920.

The previous prime is 51124823. The next prime is 51124841. The reversal of 51124836 is 63842115.

It is a super-2 number, since 2×51124836² = 5227497712053792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2095 + ... + 10326.

Almost surely, 2^51124836 is an apocalyptic number.

It is an amenable number.

51124836 is an abundant number, since it is smaller than the sum of its proper divisors (88001564).

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

51124836 is a wasteful number, since it uses less digits than its factorization.

51124836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449 (or 12433 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 51124836 is about 7150.1633547773. The cubic root of 51124836 is about 371.1453091647.

It can be divided in two parts, 51 and 124836, that multiplied together give a palindrome (6366636).

The spelling of 51124836 in words is "fifty-one million, one hundred twenty-four thousand, eight hundred thirty-six".