50749520 has 40 divisors (see below), whose sum is σ = 119429856. Its totient is φ = 20052608.

The previous prime is 50749487. The next prime is 50749537. The reversal of 50749520 is 2594705.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2819 + ... + 10461.

Almost surely, 2^50749520 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 50749520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59714928).

50749520 is an abundant number, since it is smaller than the sum of its proper divisors (68680336).

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

50749520 is a wasteful number, since it uses less digits than its factorization.

50749520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739 (or 7733 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 50749520 is about 7123.8697349123. The cubic root of 50749520 is about 370.2348642758.

The spelling of 50749520 in words is "fifty million, seven hundred forty-nine thousand, five hundred twenty".