55422663 has 8 divisors (see below), whose sum is σ = 77109888. Its totient is φ = 35341944.

The previous prime is 55422659. The next prime is 55422713. The reversal of 55422663 is 36622455.

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

It is not a de Polignac number, because 55422663 - 2² = 55422659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55422643) 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, 401545 + ... + 401682.

It is an arithmetic number, because the mean of its divisors is an integer number (9638736).

Almost surely, 2^55422663 is an apocalyptic number.

55422663 is a deficient number, since it is larger than the sum of its proper divisors (21687225).

55422663 is a wasteful number, since it uses less digits than its factorization.

55422663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803253.

The product of its digits is 43200, while the sum is 33.

The square root of 55422663 is about 7444.6398838359. The cubic root of 55422663 is about 381.2669232656.

The spelling of 55422663 in words is "fifty-five million, four hundred twenty-two thousand, six hundred sixty-three".