49613531 has 8 divisors (see below), whose sum is σ = 57307824. Its totient is φ = 42449920.

The previous prime is 49613527. The next prime is 49613533. The reversal of 49613531 is 13531694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49613531 - 2² = 49613527 is a prime.

It is a super-2 number, since 2×49613531² = 4923004916575922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49613533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132470 + ... + 132843.

It is an arithmetic number, because the mean of its divisors is an integer number (7163478).

Almost surely, 2^49613531 is an apocalyptic number.

49613531 is a deficient number, since it is larger than the sum of its proper divisors (7694293).

49613531 is a wasteful number, since it uses less digits than its factorization.

49613531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265341.

The product of its digits is 9720, while the sum is 32.

The square root of 49613531 is about 7043.6873156040. The cubic root of 49613531 is about 367.4515178149.

The spelling of 49613531 in words is "forty-nine million, six hundred thirteen thousand, five hundred thirty-one".