50445720 has 128 divisors (see below), whose sum is σ = 181137600. Its totient is φ = 12413952.

The previous prime is 50445709. The next prime is 50445721. The reversal of 50445720 is 2754405.

50445720 is a `hidden beast` number, since 50 + 44 + 572 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50445721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12244 + ... + 15836.

Almost surely, 2^50445720 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 50445720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90568800).

50445720 is an abundant number, since it is smaller than the sum of its proper divisors (130691880).

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

50445720 is a wasteful number, since it uses less digits than its factorization.

50445720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 50445720 is about 7102.5150475025. The cubic root of 50445720 is about 369.4946107006.

The spelling of 50445720 in words is "fifty million, four hundred forty-five thousand, seven hundred twenty".