51124436 has 36 divisors (see below), whose sum is σ = 100246356. Its totient is φ = 22788480.

The previous prime is 51124429. The next prime is 51124471. The reversal of 51124436 is 63442115.

It can be written as a sum of positive squares in 2 ways, for example, as 37136836 + 13987600 = 6094^2 + 3740^2 .

It is a super-2 number, since 2×51124436² = 5227415912636192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24656 + ... + 26648.

It is an arithmetic number, because the mean of its divisors is an integer number (2784621).

Almost surely, 2^51124436 is an apocalyptic number.

It is an amenable number.

51124436 is a deficient number, since it is larger than the sum of its proper divisors (49121920).

51124436 is a wasteful number, since it uses less digits than its factorization.

51124436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 2059 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 51124436 is about 7150.1353833337. The cubic root of 51124436 is about 371.1443412169.

The spelling of 51124436 in words is "fifty-one million, one hundred twenty-four thousand, four hundred thirty-six".