51130748 has 24 divisors (see below), whose sum is σ = 98286720. Its totient is φ = 23166000.

The previous prime is 51130727. The next prime is 51130753. The reversal of 51130748 is 84703115.

It is a super-2 number, since 2×51130748² = 5228706782079008, 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 51130748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12878 + ... + 16373.

It is an arithmetic number, because the mean of its divisors is an integer number (4095280).

Almost surely, 2^51130748 is an apocalyptic number.

It is an amenable number.

51130748 is a deficient number, since it is larger than the sum of its proper divisors (47155972).

51130748 is a wasteful number, since it uses less digits than its factorization.

51130748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29297 (or 29295 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 51130748 is about 7150.5767599544. The cubic root of 51130748 is about 371.1596148438.

The spelling of 51130748 in words is "fifty-one million, one hundred thirty thousand, seven hundred forty-eight".