51042604 has 24 divisors (see below), whose sum is σ = 92525328. Its totient is φ = 24623040.

The previous prime is 51042601. The next prime is 51042613. The reversal of 51042604 is 40624015.

It is not an unprimeable number, because it can be changed into a prime (51042601) 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, 10959 + ... + 14905.

It is an arithmetic number, because the mean of its divisors is an integer number (3855222).

Almost surely, 2^51042604 is an apocalyptic number.

It is an amenable number.

51042604 is a deficient number, since it is larger than the sum of its proper divisors (41482724).

51042604 is a wasteful number, since it uses less digits than its factorization.

51042604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065 (or 4063 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 51042604 is about 7144.4106824846. The cubic root of 51042604 is about 370.9462121996.

Adding to 51042604 its reverse (40624015), we get a palindrome (91666619).

The spelling of 51042604 in words is "fifty-one million, forty-two thousand, six hundred four".