26550864 has 60 divisors (see below), whose sum is σ = 75905856. Its totient is φ = 8659776.

The previous prime is 26550859. The next prime is 26550871. The reversal of 26550864 is 46805562.

26550864 is a `hidden beast` number, since 26 + 550 + 86 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4807 + ... + 8729.

Almost surely, 2^26550864 is an apocalyptic number.

26550864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26550864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37952928).

26550864 is an abundant number, since it is smaller than the sum of its proper divisors (49354992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26550864 is a wasteful number, since it uses less digits than its factorization.

26550864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 26550864 is about 5152.7530505546. The cubic root of 26550864 is about 298.3272233975.

The spelling of 26550864 in words is "twenty-six million, five hundred fifty thousand, eight hundred sixty-four".