115057549 has 4 divisors (see below), whose sum is σ = 115188736. Its totient is φ = 114926364.

The previous prime is 115057507. The next prime is 115057567. The reversal of 115057549 is 945750511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115057549 - 2¹³ = 115049357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115057049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64269 + ... + 66034.

It is an arithmetic number, because the mean of its divisors is an integer number (28797184).

Almost surely, 2^115057549 is an apocalyptic number.

It is an amenable number.

115057549 is a deficient number, since it is larger than the sum of its proper divisors (131187).

115057549 is an equidigital number, since it uses as much as digits as its factorization.

115057549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131186.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 115057549 is about 10726.4881951177. The cubic root of 115057549 is about 486.3755177187.

The spelling of 115057549 in words is "one hundred fifteen million, fifty-seven thousand, five hundred forty-nine".