26550061 has 4 divisors (see below), whose sum is σ = 26573724. Its totient is φ = 26526400.

The previous prime is 26550037. The next prime is 26550071. The reversal of 26550061 is 16005562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12033961 + 14516100 = 3469^2 + 3810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26550061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26550071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10060 + ... + 12421.

It is an arithmetic number, because the mean of its divisors is an integer number (6643431).

Almost surely, 2^26550061 is an apocalyptic number.

It is an amenable number.

26550061 is a deficient number, since it is larger than the sum of its proper divisors (23663).

26550061 is a wasteful number, since it uses less digits than its factorization.

26550061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23662.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 26550061 is about 5152.6751304541. The cubic root of 26550061 is about 298.3242158472.

The spelling of 26550061 in words is "twenty-six million, five hundred fifty thousand, sixty-one".