51382604 has 24 divisors (see below), whose sum is σ = 110671008. Its totient is φ = 20327040.

The previous prime is 51382589. The next prime is 51382607. The reversal of 51382604 is 40628315.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51382607) 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, 70217 + ... + 70944.

It is an arithmetic number, because the mean of its divisors is an integer number (4611292).

Almost surely, 2^51382604 is an apocalyptic number.

It is an amenable number.

51382604 is an abundant number, since it is smaller than the sum of its proper divisors (59288404).

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

51382604 is a wasteful number, since it uses less digits than its factorization.

51382604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141185 (or 141183 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 51382604 is about 7168.1660137025. The cubic root of 51382604 is about 371.7680270332.

The spelling of 51382604 in words is "fifty-one million, three hundred eighty-two thousand, six hundred four".