51526164 has 24 divisors (see below), whose sum is σ = 125455680. Its totient is φ = 16428544.

The previous prime is 51526159. The next prime is 51526177. The reversal of 51526164 is 46162515.

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, 93069 + ... + 93620.

It is an arithmetic number, because the mean of its divisors is an integer number (5227320).

Almost surely, 2^51526164 is an apocalyptic number.

It is an amenable number.

51526164 is an abundant number, since it is smaller than the sum of its proper divisors (73929516).

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

51526164 is a wasteful number, since it uses less digits than its factorization.

51526164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186719 (or 186717 counting only the distinct ones).

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

The square root of 51526164 is about 7178.1727479910. The cubic root of 51526164 is about 372.1139378127.

Adding to 51526164 its reverse (46162515), we get a palindrome (97688679).

The spelling of 51526164 in words is "fifty-one million, five hundred twenty-six thousand, one hundred sixty-four".