49677969 has 16 divisors (see below), whose sum is σ = 72411840. Its totient is φ = 30044160.

The previous prime is 49677967. The next prime is 49677977. The reversal of 49677969 is 96977694.

It is not a de Polignac number, because 49677969 - 2¹ = 49677967 is a prime.

It is a super-2 number, since 2×49677969² = 4935801207929922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49677967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17737 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (4525740).

Almost surely, 2^49677969 is an apocalyptic number.

It is an amenable number.

49677969 is a deficient number, since it is larger than the sum of its proper divisors (22733871).

49677969 is a wasteful number, since it uses less digits than its factorization.

49677969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200.

The product of its digits is 5143824, while the sum is 57.

The square root of 49677969 is about 7048.2599980421. The cubic root of 49677969 is about 367.6105308697.

The spelling of 49677969 in words is "forty-nine million, six hundred seventy-seven thousand, nine hundred sixty-nine".