49690085 has 4 divisors (see below), whose sum is σ = 59628108. Its totient is φ = 39752064.

The previous prime is 49690057. The next prime is 49690087. The reversal of 49690085 is 58009694.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38514436 + 11175649 = 6206^2 + 3343^2 .

It is a cyclic number.

It is not a de Polignac number, because 49690085 - 2¹⁰ = 49689061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49690087) 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, 4969004 + ... + 4969013.

It is an arithmetic number, because the mean of its divisors is an integer number (14907027).

Almost surely, 2^49690085 is an apocalyptic number.

It is an amenable number.

49690085 is a deficient number, since it is larger than the sum of its proper divisors (9938023).

49690085 is an equidigital number, since it uses as much as digits as its factorization.

49690085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9938022.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 49690085 is about 7049.1194485553. The cubic root of 49690085 is about 367.6404140503.

The spelling of 49690085 in words is "forty-nine million, six hundred ninety thousand, eighty-five".