26552988 has 192 divisors, whose sum is σ = 89456640. Its totient is φ = 6609600.

The previous prime is 26552987. The next prime is 26552989. The reversal of 26552988 is 88925562.

26552988 is a `hidden beast` number, since 2 + 6 + 552 + 98 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (26552987) and next prime (26552989).

It is a super-2 number, since 2×26552988² = 1410122343456288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26552987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 257745 + ... + 257847.

It is an arithmetic number, because the mean of its divisors is an integer number (465920).

Almost surely, 2^26552988 is an apocalyptic number.

26552988 is a gapful number since it is divisible by the number (28) 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 26552988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44728320).

26552988 is an abundant number, since it is smaller than the sum of its proper divisors (62903652).

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

26552988 is a wasteful number, since it uses less digits than its factorization.

26552988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 157 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 26552988 is about 5152.9591498478. The cubic root of 26552988 is about 298.3351783191.

The spelling of 26552988 in words is "twenty-six million, five hundred fifty-two thousand, nine hundred eighty-eight".