50749479 has 12 divisors (see below), whose sum is σ = 79969032. Its totient is φ = 30757200.

The previous prime is 50749453. The next prime is 50749483. The reversal of 50749479 is 97494705.

It is a de Polignac number, because none of the positive numbers 2^k-50749479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50749409) 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, 256212 + ... + 256409.

It is an arithmetic number, because the mean of its divisors is an integer number (6664086).

Almost surely, 2^50749479 is an apocalyptic number.

50749479 is a deficient number, since it is larger than the sum of its proper divisors (29219553).

50749479 is a wasteful number, since it uses less digits than its factorization.

50749479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512638 (or 512635 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 50749479 is about 7123.8668572623. The cubic root of 50749479 is about 370.2347645729.

The spelling of 50749479 in words is "fifty million, seven hundred forty-nine thousand, four hundred seventy-nine".