50394720 has 96 divisors (see below), whose sum is σ = 161215488. Its totient is φ = 13229568.

The previous prime is 50394719. The next prime is 50394731. The reversal of 50394720 is 2749305.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 31377 + ... + 32943.

It is an arithmetic number, because the mean of its divisors is an integer number (1679328).

Almost surely, 2^50394720 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 50394720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80607744).

50394720 is an abundant number, since it is smaller than the sum of its proper divisors (110820768).

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

50394720 is a wasteful number, since it uses less digits than its factorization.

50394720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 50394720 is about 7098.9238621076. The cubic root of 50394720 is about 369.3700505520.

The spelling of 50394720 in words is "fifty million, three hundred ninety-four thousand, seven hundred twenty".