50023665 has 12 divisors (see below), whose sum is σ = 86707764. Its totient is φ = 26679264.

The previous prime is 50023661. The next prime is 50023691. The reversal of 50023665 is 56632005.

It can be written as a sum of positive squares in 2 ways, for example, as 35712576 + 14311089 = 5976^2 + 3783^2 .

It is not a de Polignac number, because 50023665 - 2² = 50023661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50023661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555774 + ... + 555863.

It is an arithmetic number, because the mean of its divisors is an integer number (7225647).

Almost surely, 2^50023665 is an apocalyptic number.

It is an amenable number.

50023665 is a deficient number, since it is larger than the sum of its proper divisors (36684099).

50023665 is a wasteful number, since it uses less digits than its factorization.

50023665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111648 (or 1111645 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 50023665 is about 7072.7409821087. The cubic root of 50023665 is about 368.4612624337.

The spelling of 50023665 in words is "fifty million, twenty-three thousand, six hundred sixty-five".