55622609 has 24 divisors (see below), whose sum is σ = 67817280. Its totient is φ = 44634240.

The previous prime is 55622603. The next prime is 55622621. The reversal of 55622609 is 90622655.

55622609 = 41³ + 42³ + ... + 122³.

It is not a de Polignac number, because 55622609 - 2¹² = 55618513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55622603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341162 + ... + 341324.

It is an arithmetic number, because the mean of its divisors is an integer number (2825720).

Almost surely, 2^55622609 is an apocalyptic number.

It is an amenable number.

55622609 is a deficient number, since it is larger than the sum of its proper divisors (12194671).

55622609 is a wasteful number, since it uses less digits than its factorization.

55622609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 55622609 is about 7458.0566503614. The cubic root of 55622609 is about 381.7248665297.

The spelling of 55622609 in words is "fifty-five million, six hundred twenty-two thousand, six hundred nine".