49457278 has 8 divisors (see below), whose sum is σ = 79892568. Its totient is φ = 22826424.

The previous prime is 49457273. The next prime is 49457299. The reversal of 49457278 is 87275494.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49457273) 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, 951076 + ... + 951127.

It is an arithmetic number, because the mean of its divisors is an integer number (9986571).

Almost surely, 2^49457278 is an apocalyptic number.

49457278 is a deficient number, since it is larger than the sum of its proper divisors (30435290).

49457278 is a wasteful number, since it uses less digits than its factorization.

49457278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902218.

The product of its digits is 564480, while the sum is 46.

The square root of 49457278 is about 7032.5868640209. The cubic root of 49457278 is about 367.0653611806.

The spelling of 49457278 in words is "forty-nine million, four hundred fifty-seven thousand, two hundred seventy-eight".