55288679 has 4 divisors (see below), whose sum is σ = 55692384. Its totient is φ = 54884976.

The previous prime is 55288661. The next prime is 55288697. The reversal of 55288679 is 97688255.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55288661) and next prime (55288697).

It is a cyclic number.

It is not a de Polignac number, because 55288679 - 2¹⁶ = 55223143 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 (55288609) 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, 201647 + ... + 201920.

It is an arithmetic number, because the mean of its divisors is an integer number (13923096).

Almost surely, 2^55288679 is an apocalyptic number.

55288679 is a deficient number, since it is larger than the sum of its proper divisors (403705).

55288679 is a wasteful number, since it uses less digits than its factorization.

55288679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403704.

The product of its digits is 1209600, while the sum is 50.

The square root of 55288679 is about 7435.6357495509. The cubic root of 55288679 is about 380.9594384156.

The spelling of 55288679 in words is "fifty-five million, two hundred eighty-eight thousand, six hundred seventy-nine".