50452721 has 16 divisors (see below), whose sum is σ = 57499200. Its totient is φ = 43848000.

The previous prime is 50452711. The next prime is 50452723. The reversal of 50452721 is 12725405.

It is a de Polignac number, because none of the positive numbers 2^k-50452721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50452723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34046 + ... + 35496.

It is an arithmetic number, because the mean of its divisors is an integer number (3593700).

Almost surely, 2^50452721 is an apocalyptic number.

It is an amenable number.

50452721 is a deficient number, since it is larger than the sum of its proper divisors (7046479).

50452721 is a wasteful number, since it uses less digits than its factorization.

50452721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 50452721 is about 7103.0078839883. The cubic root of 50452721 is about 369.5117030797.

The spelling of 50452721 in words is "fifty million, four hundred fifty-two thousand, seven hundred twenty-one".