51104628 has 24 divisors (see below), whose sum is σ = 132493760. Its totient is φ = 17034840.

The previous prime is 51104621. The next prime is 51104629. The reversal of 51104628 is 82640115.

It is a super-2 number, since 2×51104628² = 5223366006036768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236488 + ... + 236703.

Almost surely, 2^51104628 is an apocalyptic number.

It is an amenable number.

51104628 is an abundant number, since it is smaller than the sum of its proper divisors (81389132).

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

51104628 is a wasteful number, since it uses less digits than its factorization.

51104628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473204 (or 473196 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 51104628 is about 7148.7501005421. The cubic root of 51104628 is about 371.0964021272.

The spelling of 51104628 in words is "fifty-one million, one hundred four thousand, six hundred twenty-eight".