49857620 has 24 divisors (see below), whose sum is σ = 106178688. Its totient is φ = 19661600.

The previous prime is 49857607. The next prime is 49857631. The reversal of 49857620 is 2675894.

It is a congruent number.

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, 16136 + ... + 18975.

It is an arithmetic number, because the mean of its divisors is an integer number (4424112).

Almost surely, 2^49857620 is an apocalyptic number.

It is an amenable number.

49857620 is an abundant number, since it is smaller than the sum of its proper divisors (56321068).

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

49857620 is a wasteful number, since it uses less digits than its factorization.

49857620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35191 (or 35189 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 49857620 is about 7060.9928480349. The cubic root of 49857620 is about 368.0531291440.

The spelling of 49857620 in words is "forty-nine million, eight hundred fifty-seven thousand, six hundred twenty".