49677931 has 4 divisors (see below), whose sum is σ = 50236200. Its totient is φ = 49119664.

The previous prime is 49677923. The next prime is 49677959. The reversal of 49677931 is 13977694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13977694 = 2 ⋅6988847.

It is a cyclic number.

It is not a de Polignac number, because 49677931 - 2³ = 49677923 is a prime.

It is a super-2 number, since 2×49677931² = 4935793656881522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49677911) 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, 279001 + ... + 279178.

It is an arithmetic number, because the mean of its divisors is an integer number (12559050).

Almost surely, 2^49677931 is an apocalyptic number.

49677931 is a deficient number, since it is larger than the sum of its proper divisors (558269).

49677931 is an equidigital number, since it uses as much as digits as its factorization.

49677931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558268.

The product of its digits is 285768, while the sum is 46.

The square root of 49677931 is about 7048.2573023408. The cubic root of 49677931 is about 367.6104371380.

The spelling of 49677931 in words is "forty-nine million, six hundred seventy-seven thousand, nine hundred thirty-one".