51102604 has 24 divisors (see below), whose sum is σ = 102642848. Its totient is φ = 21807360.

The previous prime is 51102599. The next prime is 51102637. The reversal of 51102604 is 40620115.

It is a super-2 number, since 2×51102604² = 5222952271161632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2962 + ... + 10534.

Almost surely, 2^51102604 is an apocalyptic number.

It is an amenable number.

51102604 is an abundant number, since it is smaller than the sum of its proper divisors (51540244).

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

51102604 is a wasteful number, since it uses less digits than its factorization.

51102604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825 (or 7823 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 51102604 is about 7148.6085359320. The cubic root of 51102604 is about 371.0915029686.

Adding to 51102604 its reverse (40620115), we get a palindrome (91722719).

The spelling of 51102604 in words is "fifty-one million, one hundred two thousand, six hundred four".