26550242 has 4 divisors (see below), whose sum is σ = 39825366. Its totient is φ = 13275120.

The previous prime is 26550233. The next prime is 26550263. The reversal of 26550242 is 24205562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24205562 = 2 ⋅12102781.

It can be written as a sum of positive squares in only one way, i.e., 23049601 + 3500641 = 4801^2 + 1871^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637559 + ... + 6637562.

Almost surely, 2^26550242 is an apocalyptic number.

26550242 is a deficient number, since it is larger than the sum of its proper divisors (13275124).

26550242 is a wasteful number, since it uses less digits than its factorization.

26550242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13275123.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 26550242 is about 5152.6926941163. The cubic root of 26550242 is about 298.3248937686.

The spelling of 26550242 in words is "twenty-six million, five hundred fifty thousand, two hundred forty-two".