50778924 has 48 divisors (see below), whose sum is σ = 136416000. Its totient is φ = 14400576.

The previous prime is 50778919. The next prime is 50778947. The reversal of 50778924 is 42987705.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9502 + ... + 13850.

It is an arithmetic number, because the mean of its divisors is an integer number (2842000).

Almost surely, 2^50778924 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 50778924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68208000).

50778924 is an abundant number, since it is smaller than the sum of its proper divisors (85637076).

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

50778924 is a wasteful number, since it uses less digits than its factorization.

50778924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 50778924 is about 7125.9332020445. The cubic root of 50778924 is about 370.3063545029.

The spelling of 50778924 in words is "fifty million, seven hundred seventy-eight thousand, nine hundred twenty-four".