49845861 has 48 divisors (see below), whose sum is σ = 83166720. Its totient is φ = 29626560.

The previous prime is 49845857. The next prime is 49845863. The reversal of 49845861 is 16854894.

It is not a de Polignac number, because 49845861 - 2² = 49845857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49845863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97675 + ... + 98183.

It is an arithmetic number, because the mean of its divisors is an integer number (1732640).

Almost surely, 2^49845861 is an apocalyptic number.

It is an amenable number.

49845861 is a deficient number, since it is larger than the sum of its proper divisors (33320859).

49845861 is a wasteful number, since it uses less digits than its factorization.

49845861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 556 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 49845861 is about 7060.1601256629. The cubic root of 49845861 is about 368.0241915610.

The spelling of 49845861 in words is "forty-nine million, eight hundred forty-five thousand, eight hundred sixty-one".