55497849 has 16 divisors (see below), whose sum is σ = 80953344. Its totient is φ = 33539600.

The previous prime is 55497847. The next prime is 55497863. The reversal of 55497849 is 94879455.

It is a cyclic number.

It is not a de Polignac number, because 55497849 - 2¹ = 55497847 is a prime.

It is a super-2 number, since 2×55497849² = 6160022487253602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55497847) 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, 10444 + ... + 14834.

It is an arithmetic number, because the mean of its divisors is an integer number (5059584).

Almost surely, 2^55497849 is an apocalyptic number.

It is an amenable number.

55497849 is a deficient number, since it is larger than the sum of its proper divisors (25455495).

55497849 is a wasteful number, since it uses less digits than its factorization.

55497849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788.

The product of its digits is 1814400, while the sum is 51.

The square root of 55497849 is about 7449.6878458094. The cubic root of 55497849 is about 381.4392533825.

The spelling of 55497849 in words is "fifty-five million, four hundred ninety-seven thousand, eight hundred forty-nine".