49866535 has 4 divisors (see below), whose sum is σ = 59839848. Its totient is φ = 39893224.

The previous prime is 49866533. The next prime is 49866547. The reversal of 49866535 is 53566894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53566894 = 2 ⋅26783447.

It is a cyclic number.

It is not a de Polignac number, because 49866535 - 2¹ = 49866533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49866533) 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, 4986649 + ... + 4986658.

It is an arithmetic number, because the mean of its divisors is an integer number (14959962).

Almost surely, 2^49866535 is an apocalyptic number.

49866535 is a deficient number, since it is larger than the sum of its proper divisors (9973313).

49866535 is an equidigital number, since it uses as much as digits as its factorization.

49866535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973312.

The product of its digits is 777600, while the sum is 46.

The square root of 49866535 is about 7061.6241049776. The cubic root of 49866535 is about 368.0750649290.

The spelling of 49866535 in words is "forty-nine million, eight hundred sixty-six thousand, five hundred thirty-five".