49997850 has 96 divisors (see below), whose sum is σ = 150097536. Its totient is φ = 10752000.

The previous prime is 49997821. The next prime is 49997869. The reversal of 49997850 is 5879994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 49997793 and 49997802.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16450 + ... + 19250.

It is an arithmetic number, because the mean of its divisors is an integer number (1563516).

Almost surely, 2^49997850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49997850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75048768).

49997850 is an abundant number, since it is smaller than the sum of its proper divisors (100099686).

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

49997850 is a wasteful number, since it uses less digits than its factorization.

49997850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2835 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 49997850 is about 7070.9157822732. The cubic root of 49997850 is about 368.3978693432.

The spelling of 49997850 in words is "forty-nine million, nine hundred ninety-seven thousand, eight hundred fifty".