55545522 has 8 divisors (see below), whose sum is σ = 111091056. Its totient is φ = 18515172.

The previous prime is 55545499. The next prime is 55545559. The reversal of 55545522 is 22554555.

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

55545522 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628788 + ... + 4628799.

It is an arithmetic number, because the mean of its divisors is an integer number (13886382).

Almost surely, 2^55545522 is an apocalyptic number.

55545522 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.

55545522 is a wasteful number, since it uses less digits than its factorization.

55545522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9257592.

The product of its digits is 50000, while the sum is 33.

The square root of 55545522 is about 7452.8868232384. The cubic root of 55545522 is about 381.5484416935.

The spelling of 55545522 in words is "fifty-five million, five hundred forty-five thousand, five hundred twenty-two".