55288677 has 8 divisors (see below), whose sum is σ = 73903680. Its totient is φ = 36766400.

The previous prime is 55288661. The next prime is 55288697. The reversal of 55288677 is 77688255.

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

It is a cyclic number.

It is not a de Polignac number, because 55288677 - 2⁴ = 55288661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55288637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21777 + ... + 24182.

It is an arithmetic number, because the mean of its divisors is an integer number (9237960).

Almost surely, 2^55288677 is an apocalyptic number.

It is an amenable number.

55288677 is a deficient number, since it is larger than the sum of its proper divisors (18615003).

55288677 is a wasteful number, since it uses less digits than its factorization.

55288677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46363.

The product of its digits is 940800, while the sum is 48.

The square root of 55288677 is about 7435.6356150634. The cubic root of 55288677 is about 380.9594338221.

The spelling of 55288677 in words is "fifty-five million, two hundred eighty-eight thousand, six hundred seventy-seven".