55542622 has 8 divisors (see below), whose sum is σ = 84886056. Its totient is φ = 27247272.

The previous prime is 55542601. The next prime is 55542623. The reversal of 55542622 is 22624555.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55542623) 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, 261888 + ... + 262099.

It is an arithmetic number, because the mean of its divisors is an integer number (10610757).

Almost surely, 2^55542622 is an apocalyptic number.

55542622 is a deficient number, since it is larger than the sum of its proper divisors (29343434).

55542622 is a wasteful number, since it uses less digits than its factorization.

55542622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524042.

The product of its digits is 24000, while the sum is 31.

The square root of 55542622 is about 7452.6922652153. The cubic root of 55542622 is about 381.5418014358.

The spelling of 55542622 in words is "fifty-five million, five hundred forty-two thousand, six hundred twenty-two".