49215258 has 12 divisors (see below), whose sum is σ = 106633098. Its totient is φ = 16405080.

The previous prime is 49215209. The next prime is 49215269. The reversal of 49215258 is 85251294.

It can be written as a sum of positive squares in only one way, i.e., 48399849 + 815409 = 6957^2 + 903^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1367073 + ... + 1367108.

Almost surely, 2^49215258 is an apocalyptic number.

49215258 is an abundant number, since it is smaller than the sum of its proper divisors (57417840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49215258 is a wasteful number, since it uses less digits than its factorization.

49215258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734189 (or 2734186 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 49215258 is about 7015.3587221182. The cubic root of 49215258 is about 366.4656350718.

The spelling of 49215258 in words is "forty-nine million, two hundred fifteen thousand, two hundred fifty-eight".