51104504 has 16 divisors (see below), whose sum is σ = 104532120. Its totient is φ = 23229280.

The previous prime is 51104497. The next prime is 51104507. The reversal of 51104504 is 40540115.

It is a super-2 number, since 2×51104504² = 5223340658172032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290279 + ... + 290454.

Almost surely, 2^51104504 is an apocalyptic number.

It is an amenable number.

51104504 is an abundant number, since it is smaller than the sum of its proper divisors (53427616).

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

51104504 is a wasteful number, since it uses less digits than its factorization.

51104504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580750 (or 580746 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 51104504 is about 7148.7414276920. The cubic root of 51104504 is about 371.0961019849.

Adding to 51104504 its reverse (40540115), we get a palindrome (91644619).

The spelling of 51104504 in words is "fifty-one million, one hundred four thousand, five hundred four".