49821507 has 16 divisors (see below), whose sum is σ = 76356000. Its totient is φ = 32068512.

The previous prime is 49821491. The next prime is 49821511. The reversal of 49821507 is 70512894.

It is not a de Polignac number, because 49821507 - 2⁴ = 49821491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49825507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31032 + ... + 32597.

It is an arithmetic number, because the mean of its divisors is an integer number (4772250).

Almost surely, 2^49821507 is an apocalyptic number.

49821507 is a deficient number, since it is larger than the sum of its proper divisors (26534493).

49821507 is a wasteful number, since it uses less digits than its factorization.

49821507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63667 (or 63661 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 49821507 is about 7058.4351665224. The cubic root of 49821507 is about 367.9642446160.

The spelling of 49821507 in words is "forty-nine million, eight hundred twenty-one thousand, five hundred seven".