51013104 has 40 divisors (see below), whose sum is σ = 136038912. Its totient is φ = 16455360.

The previous prime is 51013099. The next prime is 51013129. The reversal of 51013104 is 40131015.

It is a congruent number.

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, 15654 + ... + 18629.

Almost surely, 2^51013104 is an apocalyptic number.

It is an amenable number.

51013104 is an abundant number, since it is smaller than the sum of its proper divisors (85025808).

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

51013104 is a wasteful number, since it uses less digits than its factorization.

51013104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34325 (or 34319 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51013104 is about 7142.3458331279. The cubic root of 51013104 is about 370.8747358170.

Adding to 51013104 its reverse (40131015), we get a palindrome (91144119).

The spelling of 51013104 in words is "fifty-one million, thirteen thousand, one hundred four".