51124264 has 8 divisors (see below), whose sum is σ = 95858010. Its totient is φ = 25562128.

The previous prime is 51124247. The next prime is 51124289. The reversal of 51124264 is 46242115.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 1764 = 7150^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51124264² = 5227380739083392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3195259 + ... + 3195274.

Almost surely, 2^51124264 is an apocalyptic number.

It is an amenable number.

51124264 is a deficient number, since it is larger than the sum of its proper divisors (44733746).

51124264 is a wasteful number, since it uses less digits than its factorization.

51124264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390539 (or 6390535 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 51124264 is about 7150.1233555793. The cubic root of 51124264 is about 371.1439249978.

Adding to 51124264 its reverse (46242115), we get a palindrome (97366379).

The spelling of 51124264 in words is "fifty-one million, one hundred twenty-four thousand, two hundred sixty-four".