55635522 has 8 divisors (see below), whose sum is σ = 111271056. Its totient is φ = 18545172.

The previous prime is 55635521. The next prime is 55635581. The reversal of 55635522 is 22553655.

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

55635522 is an admirable number.

It is a super-2 number, since 2×55635522² = 6190622616424968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55635521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4636288 + ... + 4636299.

It is an arithmetic number, because the mean of its divisors is an integer number (13908882).

Almost surely, 2^55635522 is an apocalyptic number.

55635522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55635522 is a wasteful number, since it uses less digits than its factorization.

55635522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9272592.

The product of its digits is 45000, while the sum is 33.

The square root of 55635522 is about 7458.9223082158. The cubic root of 55635522 is about 381.7544038701.

The spelling of 55635522 in words is "fifty-five million, six hundred thirty-five thousand, five hundred twenty-two".