49975539 has 4 divisors (see below), whose sum is σ = 66634056. Its totient is φ = 33317024.

The previous prime is 49975517. The next prime is 49975553. The reversal of 49975539 is 93557994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49975539 - 2⁷ = 49975411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49975491 and 49975500.

It is not an unprimeable number, because it can be changed into a prime (49979539) 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, 8329254 + ... + 8329259.

It is an arithmetic number, because the mean of its divisors is an integer number (16658514).

Almost surely, 2^49975539 is an apocalyptic number.

49975539 is a deficient number, since it is larger than the sum of its proper divisors (16658517).

49975539 is a wasteful number, since it uses less digits than its factorization.

49975539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16658516.

The product of its digits is 1530900, while the sum is 51.

The square root of 49975539 is about 7069.3379463709. The cubic root of 49975539 is about 368.3430633348.

The spelling of 49975539 in words is "forty-nine million, nine hundred seventy-five thousand, five hundred thirty-nine".