51498392 has 32 divisors (see below), whose sum is σ = 105613200. Its totient is φ = 23347200.

The previous prime is 51498371. The next prime is 51498397. The reversal of 51498392 is 29389415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51498397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66584 + ... + 67352.

Almost surely, 2^51498392 is an apocalyptic number.

It is an amenable number.

51498392 is an abundant number, since it is smaller than the sum of its proper divisors (54114808).

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

51498392 is a wasteful number, since it uses less digits than its factorization.

51498392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1543 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 51498392 is about 7176.2380116604. The cubic root of 51498392 is about 372.0470707770.

The spelling of 51498392 in words is "fifty-one million, four hundred ninety-eight thousand, three hundred ninety-two".