49985497 has 4 divisors (see below), whose sum is σ = 50000400. Its totient is φ = 49970596.

The previous prime is 49985489. The next prime is 49985513. The reversal of 49985497 is 79458994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 49985497 - 2³ = 49985489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49983497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198 + ... + 10000.

It is an arithmetic number, because the mean of its divisors is an integer number (12500100).

Almost surely, 2^49985497 is an apocalyptic number.

It is an amenable number.

49985497 is a deficient number, since it is larger than the sum of its proper divisors (14903).

49985497 is an equidigital number, since it uses as much as digits as its factorization.

49985497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14902.

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

The square root of 49985497 is about 7070.0422205246. The cubic root of 49985497 is about 368.3675267470.

The spelling of 49985497 in words is "forty-nine million, nine hundred eighty-five thousand, four hundred ninety-seven".