49255618 has 4 divisors (see below), whose sum is σ = 73883430. Its totient is φ = 24627808.

The previous prime is 49255589. The next prime is 49255639. The reversal of 49255618 is 81655294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34609689 + 14645929 = 5883^2 + 3827^2 .

It is a super-2 number, since 2×49255618² = 4852231809123848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12313903 + ... + 12313906.

Almost surely, 2^49255618 is an apocalyptic number.

49255618 is a deficient number, since it is larger than the sum of its proper divisors (24627812).

49255618 is a wasteful number, since it uses less digits than its factorization.

49255618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24627811.

The product of its digits is 86400, while the sum is 40.

The square root of 49255618 is about 7018.2346783219. The cubic root of 49255618 is about 366.5657836326.

The spelling of 49255618 in words is "forty-nine million, two hundred fifty-five thousand, six hundred eighteen".