49193865 has 32 divisors (see below), whose sum is σ = 99951360. Its totient is φ = 22488192.

The previous prime is 49193839. The next prime is 49193873. The reversal of 49193865 is 56839194.

It is a happy number.

It is not a de Polignac number, because 49193865 - 2¹² = 49189769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49193865.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25084 + ... + 26973.

It is an arithmetic number, because the mean of its divisors is an integer number (3123480).

Almost surely, 2^49193865 is an apocalyptic number.

49193865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49193865 is an abundant number, since it is smaller than the sum of its proper divisors (50757495).

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

49193865 is a wasteful number, since it uses less digits than its factorization.

49193865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52078 (or 52072 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 49193865 is about 7013.8338303670. The cubic root of 49193865 is about 366.4125286718.

The spelling of 49193865 in words is "forty-nine million, one hundred ninety-three thousand, eight hundred sixty-five".