51453264 has 20 divisors (see below), whose sum is σ = 132921056. Its totient is φ = 17151072.

The previous prime is 51453257. The next prime is 51453313. The reversal of 51453264 is 46235415.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 535924 + ... + 536019.

Almost surely, 2^51453264 is an apocalyptic number.

It is an amenable number.

51453264 is an abundant number, since it is smaller than the sum of its proper divisors (81467792).

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

51453264 is a wasteful number, since it uses less digits than its factorization.

51453264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071954 (or 1071948 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 51453264 is about 7173.0930566946. The cubic root of 51453264 is about 371.9383641668.

Adding to 51453264 its reverse (46235415), we get a palindrome (97688679).

The spelling of 51453264 in words is "fifty-one million, four hundred fifty-three thousand, two hundred sixty-four".