49997845 has 8 divisors (see below), whose sum is σ = 60842880. Its totient is φ = 39434640.

The previous prime is 49997821. The next prime is 49997869. The reversal of 49997845 is 54879994.

It is an interprime number because it is at equal distance from previous prime (49997821) and next prime (49997869).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49997845 - 2¹⁵ = 49965077 is a prime.

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, 70065 + ... + 70774.

It is an arithmetic number, because the mean of its divisors is an integer number (7605360).

Almost surely, 2^49997845 is an apocalyptic number.

It is an amenable number.

49997845 is a deficient number, since it is larger than the sum of its proper divisors (10845035).

49997845 is a wasteful number, since it uses less digits than its factorization.

49997845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140915.

The product of its digits is 3265920, while the sum is 55.

The square root of 49997845 is about 7070.9154287122. The cubic root of 49997845 is about 368.3978570627.

The spelling of 49997845 in words is "forty-nine million, nine hundred ninety-seven thousand, eight hundred forty-five".