49561615 has 8 divisors (see below), whose sum is σ = 59514048. Its totient is φ = 39622560.

The previous prime is 49561597. The next prime is 49561627. The reversal of 49561615 is 51616594.

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

It is not a de Polignac number, because 49561615 - 2⁵ = 49561583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8874 + ... + 13336.

It is an arithmetic number, because the mean of its divisors is an integer number (7439256).

Almost surely, 2^49561615 is an apocalyptic number.

49561615 is a deficient number, since it is larger than the sum of its proper divisors (9952433).

49561615 is a wasteful number, since it uses less digits than its factorization.

49561615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689.

The product of its digits is 32400, while the sum is 37.

The square root of 49561615 is about 7040.0010653408. The cubic root of 49561615 is about 367.3233050037.

It can be divided in two parts, 49561 and 615, that added together give a square (50176 = 224²).

The spelling of 49561615 in words is "forty-nine million, five hundred sixty-one thousand, six hundred fifteen".