51136304 has 20 divisors (see below), whose sum is σ = 99190080. Its totient is φ = 25538880.

The previous prime is 51136271. The next prime is 51136321. The reversal of 51136304 is 40363115.

It is a happy number.

It is a super-2 number, since 2×51136304² = 5229843173560832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51136304.

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, 21914 + ... + 24134.

It is an arithmetic number, because the mean of its divisors is an integer number (4959504).

Almost surely, 2^51136304 is an apocalyptic number.

It is an amenable number.

51136304 is a deficient number, since it is larger than the sum of its proper divisors (48053776).

51136304 is a wasteful number, since it uses less digits than its factorization.

51136304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51136304 is about 7150.9652495310. The cubic root of 51136304 is about 371.1730580798.

Adding to 51136304 its reverse (40363115), we get a palindrome (91499419).

The spelling of 51136304 in words is "fifty-one million, one hundred thirty-six thousand, three hundred four".