49857550 has 12 divisors (see below), whose sum is σ = 92735136. Its totient is φ = 19943000.

The previous prime is 49857541. The next prime is 49857559. The reversal of 49857550 is 5575894.

It is an interprime number because it is at equal distance from previous prime (49857541) and next prime (49857559).

It is a junction number, because it is equal to n+sod(n) for n = 49857497 and 49857506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49857559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 498526 + ... + 498625.

It is an arithmetic number, because the mean of its divisors is an integer number (7727928).

Almost surely, 2^49857550 is an apocalyptic number.

49857550 is a deficient number, since it is larger than the sum of its proper divisors (42877586).

49857550 is a wasteful number, since it uses less digits than its factorization.

49857550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997163 (or 997158 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 49857550 is about 7060.9878912232. The cubic root of 49857550 is about 368.0529568953.

The spelling of 49857550 in words is "forty-nine million, eight hundred fifty-seven thousand, five hundred fifty".