51969024 has 66 divisors (see below), whose sum is σ = 150086040. Its totient is φ = 17319936.

The previous prime is 51968993. The next prime is 51969059. The reversal of 51969024 is 42096915.

It is a super-3 number, since 3×51969024³ (a number of 24 digits) contains 333 as substring.

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 51969024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6397 + ... + 12035.

Almost surely, 2^51969024 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 51969024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75043020).

51969024 is an abundant number, since it is smaller than the sum of its proper divisors (98117016).

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

51969024 is a wasteful number, since it uses less digits than its factorization.

51969024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665 (or 5644 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 51969024 is about 7208.9544318160. The cubic root of 51969024 is about 373.1769866876.

The spelling of 51969024 in words is "fifty-one million, nine hundred sixty-nine thousand, twenty-four".