51124656 has 40 divisors (see below), whose sum is σ = 144080064. Its totient is φ = 15492160.

The previous prime is 51124643. The next prime is 51124657. The reversal of 51124656 is 65642115.

It is a super-2 number, since 2×51124656² = 5227460902236672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51124657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47886 + ... + 48941.

Almost surely, 2^51124656 is an apocalyptic number.

It is an amenable number.

51124656 is an abundant number, since it is smaller than the sum of its proper divisors (92955408).

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

51124656 is a wasteful number, since it uses less digits than its factorization.

51124656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96849 (or 96843 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 51124656 is about 7150.1507676412. The cubic root of 51124656 is about 371.1448735888.

The spelling of 51124656 in words is "fifty-one million, one hundred twenty-four thousand, six hundred fifty-six".