50897520 has 120 divisors (see below), whose sum is σ = 172238976. Its totient is φ = 13469184.

The previous prime is 50897519. The next prime is 50897521. The reversal of 50897520 is 2579805.

50897520 is a `hidden beast` number, since 50 + 89 + 7 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (50897519) and next prime (50897521).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50897521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160402 + ... + 160718.

Almost surely, 2^50897520 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 50897520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86119488).

50897520 is an abundant number, since it is smaller than the sum of its proper divisors (121341456).

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

50897520 is a wasteful number, since it uses less digits than its factorization.

50897520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 50897520 is about 7134.2497853664. The cubic root of 50897520 is about 370.5944182864.

The spelling of 50897520 in words is "fifty million, eight hundred ninety-seven thousand, five hundred twenty".