50640653 has 8 divisors (see below), whose sum is σ = 58049472. Its totient is φ = 43275456.

The previous prime is 50640647. The next prime is 50640661. The reversal of 50640653 is 35604605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50640653 - 2⁸ = 50640397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50640613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8375 + ... + 13092.

It is an arithmetic number, because the mean of its divisors is an integer number (7256184).

Almost surely, 2^50640653 is an apocalyptic number.

It is an amenable number.

50640653 is a deficient number, since it is larger than the sum of its proper divisors (7408819).

50640653 is a wasteful number, since it uses less digits than its factorization.

50640653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21811.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 50640653 is about 7116.2246310807. The cubic root of 50640653 is about 369.9699342504.

The spelling of 50640653 in words is "fifty million, six hundred forty thousand, six hundred fifty-three".