55826901 has 20 divisors (see below), whose sum is σ = 89812492. Its totient is φ = 34354368.

The previous prime is 55826891. The next prime is 55826909. The reversal of 55826901 is 10962855.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33074001 + 22752900 = 5751^2 + 4770^2 .

It is not a de Polignac number, because 55826901 - 2¹⁹ = 55302613 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 (55826909) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25456 + ... + 27561.

Almost surely, 2^55826901 is an apocalyptic number.

It is an amenable number.

55826901 is a deficient number, since it is larger than the sum of its proper divisors (33985591).

55826901 is a wasteful number, since it uses less digits than its factorization.

55826901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53042 (or 53033 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 55826901 is about 7471.7401587582. The cubic root of 55826901 is about 382.1916315087.

The spelling of 55826901 in words is "fifty-five million, eight hundred twenty-six thousand, nine hundred one".