49979375 has 10 divisors (see below), whose sum is σ = 62455008. Its totient is φ = 39983000.

The previous prime is 49979357. The next prime is 49979399. The reversal of 49979375 is 57397994.

It is a happy number.

It is not a de Polignac number, because 49979375 - 2¹² = 49975279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39359 + ... + 40608.

Almost surely, 2^49979375 is an apocalyptic number.

49979375 is a deficient number, since it is larger than the sum of its proper divisors (12475633).

49979375 is an frugal number, since it uses more digits than its factorization.

49979375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79987 (or 79972 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 53.

The square root of 49979375 is about 7069.6092537000. The cubic root of 49979375 is about 368.3524874642.

The spelling of 49979375 in words is "forty-nine million, nine hundred seventy-nine thousand, three hundred seventy-five".