26961552 has 80 divisors (see below), whose sum is σ = 78120000. Its totient is φ = 8902656.

The previous prime is 26961533. The next prime is 26961563. The reversal of 26961552 is 25516962.

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 15 ways as a sum of consecutive naturals, for example, 59824 + ... + 60272.

It is an arithmetic number, because the mean of its divisors is an integer number (976500).

Almost surely, 2^26961552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26961552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39060000).

26961552 is an abundant number, since it is smaller than the sum of its proper divisors (51158448).

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

26961552 is a wasteful number, since it uses less digits than its factorization.

26961552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 593 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 26961552 is about 5192.4514441639. The cubic root of 26961552 is about 299.8575323539.

The spelling of 26961552 in words is "twenty-six million, nine hundred sixty-one thousand, five hundred fifty-two".