50515712 has 72 divisors (see below), whose sum is σ = 111430704. Its totient is φ = 22708224.

The previous prime is 50515697. The next prime is 50515739. The reversal of 50515712 is 21751505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 142928 + ... + 143280.

Almost surely, 2^50515712 is an apocalyptic number.

50515712 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50515712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55715352).

50515712 is an abundant number, since it is smaller than the sum of its proper divisors (60914992).

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

50515712 is a wasteful number, since it uses less digits than its factorization.

50515712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 50515712 is about 7107.4406082640. The cubic root of 50515712 is about 369.6654194777.

The spelling of 50515712 in words is "fifty million, five hundred fifteen thousand, seven hundred twelve".