51471524 has 12 divisors (see below), whose sum is σ = 97004124. Its totient is φ = 23756064.

The previous prime is 51471509. The next prime is 51471547. The reversal of 51471524 is 42517415.

It can be written as a sum of positive squares in 2 ways, for example, as 2050624 + 49420900 = 1432^2 + 7030^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494867 + ... + 494970.

It is an arithmetic number, because the mean of its divisors is an integer number (8083677).

Almost surely, 2^51471524 is an apocalyptic number.

It is an amenable number.

51471524 is a deficient number, since it is larger than the sum of its proper divisors (45532600).

51471524 is a wasteful number, since it uses less digits than its factorization.

51471524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989854 (or 989852 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 51471524 is about 7174.3657559397. The cubic root of 51471524 is about 371.9823574321.

Adding to 51471524 its reverse (42517415), we get a palindrome (93988939).

The spelling of 51471524 in words is "fifty-one million, four hundred seventy-one thousand, five hundred twenty-four".