55622539 has 8 divisors (see below), whose sum is σ = 63657440. Its totient is φ = 47609856.

The previous prime is 55622531. The next prime is 55622543. The reversal of 55622539 is 93522655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55622539 - 2³ = 55622531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55622498 and 55622507.

It is not an unprimeable number, because it can be changed into a prime (55622531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217 + ... + 10549.

It is an arithmetic number, because the mean of its divisors is an integer number (7957180).

Almost surely, 2^55622539 is an apocalyptic number.

55622539 is a deficient number, since it is larger than the sum of its proper divisors (8034901).

55622539 is a wasteful number, since it uses less digits than its factorization.

55622539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11109.

The product of its digits is 81000, while the sum is 37.

The square root of 55622539 is about 7458.0519574484. The cubic root of 55622539 is about 381.7247063984.

The spelling of 55622539 in words is "fifty-five million, six hundred twenty-two thousand, five hundred thirty-nine".