49581147 has 32 divisors (see below), whose sum is σ = 84662784. Its totient is φ = 25056000.

The previous prime is 49581101. The next prime is 49581179. The reversal of 49581147 is 74118594.

It is not a de Polignac number, because 49581147 - 2⁶ = 49581083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49581187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5647 + ... + 11447.

It is an arithmetic number, because the mean of its divisors is an integer number (2645712).

Almost surely, 2^49581147 is an apocalyptic number.

49581147 is a deficient number, since it is larger than the sum of its proper divisors (35081637).

49581147 is a wasteful number, since it uses less digits than its factorization.

49581147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859.

The product of its digits is 40320, while the sum is 39.

The square root of 49581147 is about 7041.3881443931. The cubic root of 49581147 is about 367.3715521301.

It can be divided in two parts, 4958 and 1147, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 49581147 in words is "forty-nine million, five hundred eighty-one thousand, one hundred forty-seven".