51428304 has 40 divisors (see below), whose sum is σ = 147619520. Its totient is φ = 17142624.

The previous prime is 51428297. The next prime is 51428317. The reversal of 51428304 is 40382415.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

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, 59092 + ... + 59955.

It is an arithmetic number, because the mean of its divisors is an integer number (3690488).

Almost surely, 2^51428304 is an apocalyptic number.

51428304 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51428304 is an abundant number, since it is smaller than the sum of its proper divisors (96191216).

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

51428304 is a wasteful number, since it uses less digits than its factorization.

51428304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119064 (or 119052 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 51428304 is about 7171.3530104158. The cubic root of 51428304 is about 371.8782119535.

The spelling of 51428304 in words is "fifty-one million, four hundred twenty-eight thousand, three hundred four".