51207104 has 28 divisors (see below), whose sum is σ = 109432344. Its totient is φ = 23633664.

The previous prime is 51207061. The next prime is 51207119. The reversal of 51207104 is 40170215.

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, 29942 + ... + 31605.

It is an arithmetic number, because the mean of its divisors is an integer number (3908298).

Almost surely, 2^51207104 is an apocalyptic number.

It is an amenable number.

51207104 is an abundant number, since it is smaller than the sum of its proper divisors (58225240).

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

51207104 is a wasteful number, since it uses less digits than its factorization.

51207104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61572 (or 61562 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 51207104 is about 7155.9139178724. The cubic root of 51207104 is about 371.3442797735.

Adding to 51207104 its reverse (40170215), we get a palindrome (91377319).

The spelling of 51207104 in words is "fifty-one million, two hundred seven thousand, one hundred four".