49725399 has 4 divisors (see below), whose sum is σ = 66300536. Its totient is φ = 33150264.

The previous prime is 49725397. The next prime is 49725437. The reversal of 49725399 is 99352794.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49725399 - 2¹ = 49725397 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 (49725397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8287564 + ... + 8287569.

It is an arithmetic number, because the mean of its divisors is an integer number (16575134).

Almost surely, 2^49725399 is an apocalyptic number.

49725399 is a deficient number, since it is larger than the sum of its proper divisors (16575137).

49725399 is a wasteful number, since it uses less digits than its factorization.

49725399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16575136.

The product of its digits is 612360, while the sum is 48.

The square root of 49725399 is about 7051.6238555385. The cubic root of 49725399 is about 367.7274856074.

The spelling of 49725399 in words is "forty-nine million, seven hundred twenty-five thousand, three hundred ninety-nine".