49255578 has 24 divisors (see below), whose sum is σ = 106850016. Its totient is φ = 16398600.

The previous prime is 49255573. The next prime is 49255589. The reversal of 49255578 is 87555294.

49255578 is a `hidden beast` number, since 4 + 92 + 5 + 557 + 8 = 666.

It is a super-2 number, since 2×49255578² = 4852223928228168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49255573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26293 + ... + 28103.

It is an arithmetic number, because the mean of its divisors is an integer number (4452084).

Almost surely, 2^49255578 is an apocalyptic number.

49255578 is an abundant number, since it is smaller than the sum of its proper divisors (57594438).

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

49255578 is a wasteful number, since it uses less digits than its factorization.

49255578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330 (or 3327 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 49255578 is about 7018.2318286018. The cubic root of 49255578 is about 366.5656844045.

The spelling of 49255578 in words is "forty-nine million, two hundred fifty-five thousand, five hundred seventy-eight".