49660599 has 4 divisors (see below), whose sum is σ = 66214136. Its totient is φ = 33107064.

The previous prime is 49660591. The next prime is 49660603. The reversal of 49660599 is 99506694.

It is a happy number.

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

It is not a de Polignac number, because 49660599 - 2³ = 49660591 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 (49660591) 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, 8276764 + ... + 8276769.

It is an arithmetic number, because the mean of its divisors is an integer number (16553534).

Almost surely, 2^49660599 is an apocalyptic number.

49660599 is a deficient number, since it is larger than the sum of its proper divisors (16553537).

49660599 is a wasteful number, since it uses less digits than its factorization.

49660599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16553536.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 49660599 is about 7047.0276712952. The cubic root of 49660599 is about 367.5676806257.

The spelling of 49660599 in words is "forty-nine million, six hundred sixty thousand, five hundred ninety-nine".