51162384 has 240 divisors, whose sum is σ = 176452992. Its totient is φ = 12460032.

The previous prime is 51162337. The next prime is 51162413. The reversal of 51162384 is 48326115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 965302 + ... + 965354.

Almost surely, 2^51162384 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 51162384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88226496).

51162384 is an abundant number, since it is smaller than the sum of its proper divisors (125290608).

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

51162384 is a wasteful number, since it uses less digits than its factorization.

51162384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 95 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 51162384 is about 7152.7885471332. The cubic root of 51162384 is about 371.2361479487.

Adding to 51162384 its reverse (48326115), we get a palindrome (99488499).

The spelling of 51162384 in words is "fifty-one million, one hundred sixty-two thousand, three hundred eighty-four".