49855923 has 24 divisors (see below), whose sum is σ = 78340080. Its totient is φ = 30369600.

The previous prime is 49855921. The next prime is 49855937. The reversal of 49855923 is 32955894.

49855923 is a `hidden beast` number, since 4 + 98 + 559 + 2 + 3 = 666.

It is not a de Polignac number, because 49855923 - 2¹ = 49855921 is a prime.

It is a super-2 number, since 2×49855923² = 4971226116363858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49855921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9708 + ... + 13926.

It is an arithmetic number, because the mean of its divisors is an integer number (3264170).

Almost surely, 2^49855923 is an apocalyptic number.

49855923 is a deficient number, since it is larger than the sum of its proper divisors (28484157).

49855923 is a wasteful number, since it uses less digits than its factorization.

49855923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339 (or 4336 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 49855923 is about 7060.8726797755. The cubic root of 49855923 is about 368.0489532979.

The spelling of 49855923 in words is "forty-nine million, eight hundred fifty-five thousand, nine hundred twenty-three".