49997375 has 8 divisors (see below), whose sum is σ = 62396880. Its totient is φ = 39997800.

The previous prime is 49997371. The next prime is 49997399. The reversal of 49997375 is 57379994.

It is a happy number.

It is not a de Polignac number, because 49997375 - 2² = 49997371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49997371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199865 + ... + 200114.

It is an arithmetic number, because the mean of its divisors is an integer number (7799610).

Almost surely, 2^49997375 is an apocalyptic number.

49997375 is a deficient number, since it is larger than the sum of its proper divisors (12399505).

49997375 is an equidigital number, since it uses as much as digits as its factorization.

49997375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399994 (or 399984 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 53.

The square root of 49997375 is about 7070.8821938991. The cubic root of 49997375 is about 368.3967026961.

The spelling of 49997375 in words is "forty-nine million, nine hundred ninety-seven thousand, three hundred seventy-five".