49259861 has 4 divisors (see below), whose sum is σ = 56296992. Its totient is φ = 42222732.

The previous prime is 49259851. The next prime is 49259869. The reversal of 49259861 is 16895294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49259861 - 2⁶ = 49259797 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 (49259869) 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, 3518555 + ... + 3518568.

It is an arithmetic number, because the mean of its divisors is an integer number (14074248).

Almost surely, 2^49259861 is an apocalyptic number.

It is an amenable number.

49259861 is a deficient number, since it is larger than the sum of its proper divisors (7037131).

49259861 is an equidigital number, since it uses as much as digits as its factorization.

49259861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037130.

The product of its digits is 155520, while the sum is 44.

The square root of 49259861 is about 7018.5369558050. The cubic root of 49259861 is about 366.5763089563.

The spelling of 49259861 in words is "forty-nine million, two hundred fifty-nine thousand, eight hundred sixty-one".