49984531 has 4 divisors (see below), whose sum is σ = 50004864. Its totient is φ = 49964200.

The previous prime is 49984523. The next prime is 49984537. The reversal of 49984531 is 13548994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49984531 - 2³ = 49984523 is a prime.

It is a super-2 number, since 2×49984531² = 4996906678579922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49984537) 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, 5875 + ... + 11596.

It is an arithmetic number, because the mean of its divisors is an integer number (12501216).

Almost surely, 2^49984531 is an apocalyptic number.

49984531 is a deficient number, since it is larger than the sum of its proper divisors (20333).

49984531 is a wasteful number, since it uses less digits than its factorization.

49984531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20332.

The product of its digits is 155520, while the sum is 43.

The square root of 49984531 is about 7069.9739037708. The cubic root of 49984531 is about 368.3651537565.

The spelling of 49984531 in words is "forty-nine million, nine hundred eighty-four thousand, five hundred thirty-one".