51488612 has 18 divisors (see below), whose sum is σ = 104816502. Its totient is φ = 22066464.

The previous prime is 51488611. The next prime is 51488623. The reversal of 51488612 is 21688415.

It can be written as a sum of positive squares in only one way, i.e., 41654116 + 9834496 = 6454^2 + 3136^2 .

It is not an unprimeable number, because it can be changed into a prime (51488611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131153 + ... + 131544.

It is an arithmetic number, because the mean of its divisors is an integer number (5823139).

Almost surely, 2^51488612 is an apocalyptic number.

It is an amenable number.

51488612 is an abundant number, since it is smaller than the sum of its proper divisors (53327890).

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

51488612 is a wasteful number, since it uses less digits than its factorization.

51488612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262715 (or 262706 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 51488612 is about 7175.5565637796. The cubic root of 51488612 is about 372.0235176098.

The spelling of 51488612 in words is "fifty-one million, four hundred eighty-eight thousand, six hundred twelve".