55367649 has 6 divisors (see below), whose sum is σ = 79975506. Its totient is φ = 36911760.

The previous prime is 55367639. The next prime is 55367707. The reversal of 55367649 is 94676355.

55367649 is a `hidden beast` number, since 5 + 536 + 76 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 17766225 = 6132^2 + 4215^2 .

It is not a de Polignac number, because 55367649 - 2¹³ = 55359457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55367639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3075972 + ... + 3075989.

It is an arithmetic number, because the mean of its divisors is an integer number (13329251).

Almost surely, 2^55367649 is an apocalyptic number.

It is an amenable number.

55367649 is a deficient number, since it is larger than the sum of its proper divisors (24607857).

55367649 is a wasteful number, since it uses less digits than its factorization.

55367649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151967 (or 6151964 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 55367649 is about 7440.9440933258. The cubic root of 55367649 is about 381.1407296273.

The spelling of 55367649 in words is "fifty-five million, three hundred sixty-seven thousand, six hundred forty-nine".