49855820 has 24 divisors (see below), whose sum is σ = 119654304. Its totient is φ = 17093376.

The previous prime is 49855801. The next prime is 49855853. The reversal of 49855820 is 2855894.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177917 + ... + 178196.

It is an arithmetic number, because the mean of its divisors is an integer number (4985596).

Almost surely, 2^49855820 is an apocalyptic number.

It is an amenable number.

49855820 is an abundant number, since it is smaller than the sum of its proper divisors (69798484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49855820 is a wasteful number, since it uses less digits than its factorization.

49855820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356129 (or 356127 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 49855820 is about 7060.8653860557. The cubic root of 49855820 is about 368.0486998404.

The spelling of 49855820 in words is "forty-nine million, eight hundred fifty-five thousand, eight hundred twenty".