49979645 has 8 divisors (see below), whose sum is σ = 60017760. Its totient is φ = 39955600.

The previous prime is 49979627. The next prime is 49979651. The reversal of 49979645 is 54697994.

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

It is a de Polignac number, because none of the positive numbers 2^k-49979645 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7370 + ... + 12420.

It is an arithmetic number, because the mean of its divisors is an integer number (7502220).

Almost surely, 2^49979645 is an apocalyptic number.

It is an amenable number.

49979645 is a deficient number, since it is larger than the sum of its proper divisors (10038115).

49979645 is a wasteful number, since it uses less digits than its factorization.

49979645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035.

The product of its digits is 2449440, while the sum is 53.

The square root of 49979645 is about 7069.6283494962. The cubic root of 49979645 is about 368.3531507711.

The spelling of 49979645 in words is "forty-nine million, nine hundred seventy-nine thousand, six hundred forty-five".