49749261 has 8 divisors (see below), whose sum is σ = 66501024. Its totient is φ = 33081840.

The previous prime is 49749257. The next prime is 49749311. The reversal of 49749261 is 16294794.

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

It is not a de Polignac number, because 49749261 - 2² = 49749257 is a prime.

It is a super-2 number, since 2×49749261² = 4949977940092242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49749211) 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, 19695 + ... + 22076.

It is an arithmetic number, because the mean of its divisors is an integer number (8312628).

Almost surely, 2^49749261 is an apocalyptic number.

It is an amenable number.

49749261 is a deficient number, since it is larger than the sum of its proper divisors (16751763).

49749261 is a wasteful number, since it uses less digits than its factorization.

49749261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42171.

The product of its digits is 108864, while the sum is 42.

The square root of 49749261 is about 7053.3156033174. The cubic root of 49749261 is about 367.7862973362.

The spelling of 49749261 in words is "forty-nine million, seven hundred forty-nine thousand, two hundred sixty-one".