51124457527 has 48 divisors (see below), whose sum is σ = 64059234912. Its totient is φ = 40305807360.

The previous prime is 51124457491. The next prime is 51124457563. The reversal of 51124457527 is 72575442115.

51124457527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51124457491) and next prime (51124457563).

It is not a de Polignac number, because 51124457527 - 2³¹ = 48976973879 is a prime.

It is a super-2 number, since 2×51124457527² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51124457227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23922403 + ... + 23924539.

It is an arithmetic number, because the mean of its divisors is an integer number (1334567394).

Almost surely, 2^51124457527 is an apocalyptic number.

51124457527 is a deficient number, since it is larger than the sum of its proper divisors (12934777385).

51124457527 is a wasteful number, since it uses less digits than its factorization.

51124457527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948 (or 2935 counting only the distinct ones).

The product of its digits is 392000, while the sum is 43.

The spelling of 51124457527 in words is "fifty-one billion, one hundred twenty-four million, four hundred fifty-seven thousand, five hundred twenty-seven".