51499152 has 100 divisors (see below), whose sum is σ = 151240320. Its totient is φ = 16915392.

The previous prime is 51499127. The next prime is 51499163. The reversal of 51499152 is 25199415.

51499152 is a `hidden beast` number, since 514 + 9 + 91 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102133 + ... + 102635.

Almost surely, 2^51499152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51499152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75620160).

51499152 is an abundant number, since it is smaller than the sum of its proper divisors (99741168).

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

51499152 is a wasteful number, since it uses less digits than its factorization.

51499152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 587 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 51499152 is about 7176.2909640008. The cubic root of 51499152 is about 372.0489009596.

The spelling of 51499152 in words is "fifty-one million, four hundred ninety-nine thousand, one hundred fifty-two".