49115556 has 72 divisors (see below), whose sum is σ = 144056640. Its totient is φ = 13818816.

The previous prime is 49115543. The next prime is 49115569. The reversal of 49115556 is 65551194.

49115556 is a `hidden beast` number, since 4 + 91 + 15 + 556 = 666.

It is an interprime number because it is at equal distance from previous prime (49115543) and next prime (49115569).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 49115556.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15430 + ... + 18338.

Almost surely, 2^49115556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49115556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72028320).

49115556 is an abundant number, since it is smaller than the sum of its proper divisors (94941084).

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

49115556 is a wasteful number, since it uses less digits than its factorization.

49115556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2988 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 49115556 is about 7008.2491394071. The cubic root of 49115556 is about 366.2180014522.

The spelling of 49115556 in words is "forty-nine million, one hundred fifteen thousand, five hundred fifty-six".