50640453 has 48 divisors (see below), whose sum is σ = 81768960. Its totient is φ = 30067200.

The previous prime is 50640451. The next prime is 50640463. The reversal of 50640453 is 35404605.

It is not a de Polignac number, because 50640453 - 2¹ = 50640451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50640451) 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 47 ways as a sum of consecutive naturals, for example, 217225 + ... + 217457.

It is an arithmetic number, because the mean of its divisors is an integer number (1703520).

Almost surely, 2^50640453 is an apocalyptic number.

It is an amenable number.

50640453 is a deficient number, since it is larger than the sum of its proper divisors (31128507).

50640453 is a wasteful number, since it uses less digits than its factorization.

50640453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 50640453 is about 7116.2105786718. The cubic root of 50640453 is about 369.9694471972.

The spelling of 50640453 in words is "fifty million, six hundred forty thousand, four hundred fifty-three".