55359187 has 8 divisors (see below), whose sum is σ = 59675504. Its totient is φ = 51051168.

The previous prime is 55359181. The next prime is 55359193. The reversal of 55359187 is 78195355.

It is an interprime number because it is at equal distance from previous prime (55359181) and next prime (55359193).

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 55359187 - 2¹⁵ = 55326419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55359181) 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, 24028 + ... + 26230.

It is an arithmetic number, because the mean of its divisors is an integer number (7459438).

Almost surely, 2^55359187 is an apocalyptic number.

55359187 is a deficient number, since it is larger than the sum of its proper divisors (4316317).

55359187 is a wasteful number, since it uses less digits than its factorization.

55359187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149.

The product of its digits is 189000, while the sum is 43.

The square root of 55359187 is about 7440.3754609563. The cubic root of 55359187 is about 381.1213116866.

The spelling of 55359187 in words is "fifty-five million, three hundred fifty-nine thousand, one hundred eighty-seven".