55809262 has 4 divisors (see below), whose sum is σ = 83713896. Its totient is φ = 27904630.

The previous prime is 55809233. The next prime is 55809263. The reversal of 55809262 is 26290855.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26290855 = 5 ⋅5258171.

It is a super-2 number, since 2×55809262² = 6229347449969288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55809263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13952314 + ... + 13952317.

It is an arithmetic number, because the mean of its divisors is an integer number (20928474).

Almost surely, 2^55809262 is an apocalyptic number.

55809262 is a deficient number, since it is larger than the sum of its proper divisors (27904634).

55809262 is a wasteful number, since it uses less digits than its factorization.

55809262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27904633.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 55809262 is about 7470.5596845216. The cubic root of 55809262 is about 382.1513750003.

The spelling of 55809262 in words is "fifty-five million, eight hundred nine thousand, two hundred sixty-two".