49986507 has 4 divisors (see below), whose sum is σ = 66648680. Its totient is φ = 33324336.

The previous prime is 49986499. The next prime is 49986509. The reversal of 49986507 is 70568994.

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

It is not a de Polignac number, because 49986507 - 2³ = 49986499 is a prime.

It is a super-2 number, since 2×49986507² = 4997301764122098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49986509) 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, 8331082 + ... + 8331087.

It is an arithmetic number, because the mean of its divisors is an integer number (16662170).

Almost surely, 2^49986507 is an apocalyptic number.

49986507 is a deficient number, since it is larger than the sum of its proper divisors (16662173).

49986507 is a wasteful number, since it uses less digits than its factorization.

49986507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16662172.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 49986507 is about 7070.1136483086. The cubic root of 49986507 is about 368.3700077913.

The spelling of 49986507 in words is "forty-nine million, nine hundred eighty-six thousand, five hundred seven".