51924480 has 80 divisors (see below), whose sum is σ = 166020624. Its totient is φ = 13844480.

The previous prime is 51924479. The next prime is 51924487. The reversal of 51924480 is 8442915.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51924487) 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, 4300 + ... + 11060.

Almost surely, 2^51924480 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 51924480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83010312).

51924480 is an abundant number, since it is smaller than the sum of its proper divisors (114096144).

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

51924480 is an equidigital number, since it uses as much as digits as its factorization.

51924480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787 (or 6771 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 51924480 is about 7205.8642784887. The cubic root of 51924480 is about 373.0703363155.

The spelling of 51924480 in words is "fifty-one million, nine hundred twenty-four thousand, four hundred eighty".