51163392 has 144 divisors (see below), whose sum is σ = 161165312. Its totient is φ = 14100480.

The previous prime is 51163379. The next prime is 51163397. The reversal of 51163392 is 29336115.

It is not an unprimeable number, because it can be changed into a prime (51163397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166503 + ... + 166809.

Almost surely, 2^51163392 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 51163392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80582656).

51163392 is an abundant number, since it is smaller than the sum of its proper divisors (110001920).

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

51163392 is a wasteful number, since it uses less digits than its factorization.

51163392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 350 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 51163392 is about 7152.8590088160. The cubic root of 51163392 is about 371.2385859611.

It can be divided in two parts, 511 and 63392, that added together give a triangular number (63903 = T₃₅₇).

The spelling of 51163392 in words is "fifty-one million, one hundred sixty-three thousand, three hundred ninety-two".