49091481 has 16 divisors (see below), whose sum is σ = 73963200. Its totient is φ = 32171904.

The previous prime is 49091479. The next prime is 49091501. The reversal of 49091481 is 18419094.

49091481 is a `hidden beast` number, since 4 + 90 + 91 + 481 = 666.

It is not a de Polignac number, because 49091481 - 2¹ = 49091479 is a prime.

It is a super-2 number, since 2×49091481² = 4819947013546722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49091401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13816 + ... + 17001.

It is an arithmetic number, because the mean of its divisors is an integer number (4622700).

Almost surely, 2^49091481 is an apocalyptic number.

It is an amenable number.

49091481 is a deficient number, since it is larger than the sum of its proper divisors (24871719).

49091481 is a wasteful number, since it uses less digits than its factorization.

49091481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30885 (or 30879 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 49091481 is about 7006.5313101420. The cubic root of 49091481 is about 366.1581552442.

The spelling of 49091481 in words is "forty-nine million, ninety-one thousand, four hundred eighty-one".