50720901 has 24 divisors (see below), whose sum is σ = 84958272. Its totient is φ = 26347200.

The previous prime is 50720897. The next prime is 50720927. The reversal of 50720901 is 10902705.

It is not a de Polignac number, because 50720901 - 2² = 50720897 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50720701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7440 + ... + 12521.

It is an arithmetic number, because the mean of its divisors is an integer number (3539928).

Almost surely, 2^50720901 is an apocalyptic number.

It is an amenable number.

50720901 is a deficient number, since it is larger than the sum of its proper divisors (34237371).

50720901 is a wasteful number, since it uses less digits than its factorization.

50720901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19993 (or 19982 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 50720901 is about 7121.8607821271. The cubic root of 50720901 is about 370.1652561039.

The spelling of 50720901 in words is "fifty million, seven hundred twenty thousand, nine hundred one".