49188455 has 4 divisors (see below), whose sum is σ = 59026152. Its totient is φ = 39350760.

The previous prime is 49188443. The next prime is 49188457. The reversal of 49188455 is 55488194.

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

It is not a de Polignac number, because 49188455 - 2⁴ = 49188439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49188457) 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, 4918841 + ... + 4918850.

It is an arithmetic number, because the mean of its divisors is an integer number (14756538).

Almost surely, 2^49188455 is an apocalyptic number.

49188455 is a deficient number, since it is larger than the sum of its proper divisors (9837697).

49188455 is an equidigital number, since it uses as much as digits as its factorization.

49188455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9837696.

The product of its digits is 230400, while the sum is 44.

The square root of 49188455 is about 7013.4481533694. The cubic root of 49188455 is about 366.3990963433.

The spelling of 49188455 in words is "forty-nine million, one hundred eighty-eight thousand, four hundred fifty-five".