49255881 has 4 divisors (see below), whose sum is σ = 65674512. Its totient is φ = 32837252.

The previous prime is 49255879. The next prime is 49255889. The reversal of 49255881 is 18855294.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49255881 - 2¹ = 49255879 is a prime.

It is a super-2 number, since 2×49255881² = 4852283626172322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49255889) 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, 8209311 + ... + 8209316.

It is an arithmetic number, because the mean of its divisors is an integer number (16418628).

Almost surely, 2^49255881 is an apocalyptic number.

It is an amenable number.

49255881 is a deficient number, since it is larger than the sum of its proper divisors (16418631).

49255881 is a wasteful number, since it uses less digits than its factorization.

49255881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16418630.

The product of its digits is 115200, while the sum is 42.

The square root of 49255881 is about 7018.2534152024. The cubic root of 49255881 is about 366.5664360565.

The spelling of 49255881 in words is "forty-nine million, two hundred fifty-five thousand, eight hundred eighty-one".