51612604 has 12 divisors (see below), whose sum is σ = 92525328. Its totient is φ = 25176800.

The previous prime is 51612581. The next prime is 51612611. The reversal of 51612604 is 40621615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157192 + ... + 157519.

It is an arithmetic number, because the mean of its divisors is an integer number (7710444).

Almost surely, 2^51612604 is an apocalyptic number.

It is an amenable number.

51612604 is a deficient number, since it is larger than the sum of its proper divisors (40912724).

51612604 is a wasteful number, since it uses less digits than its factorization.

51612604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314756 (or 314754 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51612604 is about 7184.1912558060. The cubic root of 51612604 is about 372.3219069694.

The spelling of 51612604 in words is "fifty-one million, six hundred twelve thousand, six hundred four".