49190587 has 4 divisors (see below), whose sum is σ = 49223320. Its totient is φ = 49157856.

The previous prime is 49190579. The next prime is 49190593. The reversal of 49190587 is 78509194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78509194 = 2 ⋅39254597.

It is a cyclic number.

It is not a de Polignac number, because 49190587 - 2³ = 49190579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49190507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13998 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (12305830).

Almost surely, 2^49190587 is an apocalyptic number.

49190587 is a deficient number, since it is larger than the sum of its proper divisors (32733).

49190587 is a wasteful number, since it uses less digits than its factorization.

49190587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32732.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 49190587 is about 7013.6001454317. The cubic root of 49190587 is about 366.4043899404.

The spelling of 49190587 in words is "forty-nine million, one hundred ninety thousand, five hundred eighty-seven".