55672239 has 8 divisors (see below), whose sum is σ = 84833920. Its totient is φ = 31812696.

The previous prime is 55672237. The next prime is 55672283. The reversal of 55672239 is 93227655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55672239 - 2¹ = 55672237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55672197 and 55672206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55672231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325509 + ... + 1325550.

It is an arithmetic number, because the mean of its divisors is an integer number (10604240).

Almost surely, 2^55672239 is an apocalyptic number.

55672239 is a deficient number, since it is larger than the sum of its proper divisors (29161681).

55672239 is a wasteful number, since it uses less digits than its factorization.

55672239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651069.

The product of its digits is 113400, while the sum is 39.

The square root of 55672239 is about 7461.3831827618. The cubic root of 55672239 is about 381.8383657800.

The spelling of 55672239 in words is "fifty-five million, six hundred seventy-two thousand, two hundred thirty-nine".