50402657 has 4 divisors (see below), whose sum is σ = 50440896. Its totient is φ = 50364420.

The previous prime is 50402593. The next prime is 50402701. The reversal of 50402657 is 75620405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50402657 - 2⁶ = 50402593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50402257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17069 + ... + 19802.

It is an arithmetic number, because the mean of its divisors is an integer number (12610224).

Almost surely, 2^50402657 is an apocalyptic number.

It is an amenable number.

50402657 is a deficient number, since it is larger than the sum of its proper divisors (38239).

50402657 is a wasteful number, since it uses less digits than its factorization.

50402657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38238.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 50402657 is about 7099.4828684912. The cubic root of 50402657 is about 369.3894410502.

The spelling of 50402657 in words is "fifty million, four hundred two thousand, six hundred fifty-seven".