55394022 has 8 divisors (see below), whose sum is σ = 110788056. Its totient is φ = 18464672.

The previous prime is 55394021. The next prime is 55394023. The reversal of 55394022 is 22049355.

It is an interprime number because it is at equal distance from previous prime (55394021) and next prime (55394023).

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

55394022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55394021) 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, 4616163 + ... + 4616174.

It is an arithmetic number, because the mean of its divisors is an integer number (13848507).

Almost surely, 2^55394022 is an apocalyptic number.

55394022 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.

55394022 is a wasteful number, since it uses less digits than its factorization.

55394022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232342.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55394022 is about 7442.7160365017. The cubic root of 55394022 is about 381.2012356514.

The spelling of 55394022 in words is "fifty-five million, three hundred ninety-four thousand, twenty-two".