51671124 has 36 divisors (see below), whose sum is σ = 131968564. Its totient is φ = 17044992.

The previous prime is 51671119. The next prime is 51671149. The reversal of 51671124 is 42117615.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21068100 + 30603024 = 4590^2 + 5532^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 3907 + ... + 10890.

Almost surely, 2^51671124 is an apocalyptic number.

It is an amenable number.

51671124 is an abundant number, since it is smaller than the sum of its proper divisors (80297440).

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

51671124 is a wasteful number, since it uses less digits than its factorization.

51671124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904 (or 14899 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 51671124 is about 7188.2629334214. The cubic root of 51671124 is about 372.4625705977.

Adding to 51671124 its reverse (42117615), we get a palindrome (93788739).

The spelling of 51671124 in words is "fifty-one million, six hundred seventy-one thousand, one hundred twenty-four".