51204104 has 16 divisors (see below), whose sum is σ = 109723200. Its totient is φ = 21944592.

The previous prime is 51204089. The next prime is 51204133. The reversal of 51204104 is 40140215.

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, 457124 + ... + 457235.

It is an arithmetic number, because the mean of its divisors is an integer number (6857700).

Almost surely, 2^51204104 is an apocalyptic number.

It is an amenable number.

51204104 is an abundant number, since it is smaller than the sum of its proper divisors (58519096).

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

51204104 is a wasteful number, since it uses less digits than its factorization.

51204104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914372 (or 914368 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 51204104 is about 7155.7042979710. The cubic root of 51204104 is about 371.3370278201.

Adding to 51204104 its reverse (40140215), we get a palindrome (91344319).

It can be divided in two parts, 51204 and 104, that multiplied together give a triangular number (5325216 = T₃₂₆₃).

The spelling of 51204104 in words is "fifty-one million, two hundred four thousand, one hundred four".