49278291 has 8 divisors (see below), whose sum is σ = 69569424. Its totient is φ = 30919680.

The previous prime is 49278263. The next prime is 49278293. The reversal of 49278291 is 19287294.

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

It is not a de Polignac number, because 49278291 - 2⁶ = 49278227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49278293) 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, 483070 + ... + 483171.

It is an arithmetic number, because the mean of its divisors is an integer number (8696178).

Almost surely, 2^49278291 is an apocalyptic number.

49278291 is a deficient number, since it is larger than the sum of its proper divisors (20291133).

49278291 is a wasteful number, since it uses less digits than its factorization.

49278291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966261.

The product of its digits is 72576, while the sum is 42.

The square root of 49278291 is about 7019.8497847176. The cubic root of 49278291 is about 366.6220200001.

The spelling of 49278291 in words is "forty-nine million, two hundred seventy-eight thousand, two hundred ninety-one".