49177131 has 4 divisors (see below), whose sum is σ = 65569512. Its totient is φ = 32784752.

The previous prime is 49177123. The next prime is 49177159. The reversal of 49177131 is 13177194.

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 49177131 - 2³ = 49177123 is a prime.

It is a super-4 number, since 4×49177131⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 49177092 and 49177101.

It is not an unprimeable number, because it can be changed into a prime (49177171) 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, 8196186 + ... + 8196191.

It is an arithmetic number, because the mean of its divisors is an integer number (16392378).

Almost surely, 2^49177131 is an apocalyptic number.

49177131 is a deficient number, since it is larger than the sum of its proper divisors (16392381).

49177131 is a wasteful number, since it uses less digits than its factorization.

49177131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16392380.

The product of its digits is 5292, while the sum is 33.

The square root of 49177131 is about 7012.6408007255. The cubic root of 49177131 is about 366.3709771312.

The spelling of 49177131 in words is "forty-nine million, one hundred seventy-seven thousand, one hundred thirty-one".