49675639 has 4 divisors (see below), whose sum is σ = 53496856. Its totient is φ = 45854424.

The previous prime is 49675627. The next prime is 49675651. The reversal of 49675639 is 93657694.

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

It is an interprime number because it is at equal distance from previous prime (49675627) and next prime (49675651).

It is a cyclic number.

It is not a de Polignac number, because 49675639 - 2⁷ = 49675511 is a prime.

It is a super-2 number, since 2×49675639² = 4935338220116642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49675592 and 49675601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49675679) 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, 1910589 + ... + 1910614.

It is an arithmetic number, because the mean of its divisors is an integer number (13374214).

Almost surely, 2^49675639 is an apocalyptic number.

49675639 is a deficient number, since it is larger than the sum of its proper divisors (3821217).

49675639 is a wasteful number, since it uses less digits than its factorization.

49675639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821216.

The product of its digits is 1224720, while the sum is 49.

The square root of 49675639 is about 7048.0947070822. The cubic root of 49675639 is about 367.6047835472.

The spelling of 49675639 in words is "forty-nine million, six hundred seventy-five thousand, six hundred thirty-nine".