51468612 has 72 divisors (see below), whose sum is σ = 133428960. Its totient is φ = 15425280.

The previous prime is 51468589. The next prime is 51468629. The reversal of 51468612 is 21686415.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82839 + ... + 83457.

It is an arithmetic number, because the mean of its divisors is an integer number (1853180).

Almost surely, 2^51468612 is an apocalyptic number.

51468612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51468612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66714480).

51468612 is an abundant number, since it is smaller than the sum of its proper divisors (81960348).

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

51468612 is a wasteful number, since it uses less digits than its factorization.

51468612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 678 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 51468612 is about 7174.1628083004. The cubic root of 51468612 is about 371.9753423360.

The spelling of 51468612 in words is "fifty-one million, four hundred sixty-eight thousand, six hundred twelve".