55419942 has 8 divisors (see below), whose sum is σ = 110839896. Its totient is φ = 18473312.

The previous prime is 55419929. The next prime is 55420039. The reversal of 55419942 is 24991455.

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

55419942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55419942.

It is a congruent 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, 4618323 + ... + 4618334.

It is an arithmetic number, because the mean of its divisors is an integer number (13854987).

Almost surely, 2^55419942 is an apocalyptic number.

55419942 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.

55419942 is a wasteful number, since it uses less digits than its factorization.

55419942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236662.

The product of its digits is 64800, while the sum is 39.

The square root of 55419942 is about 7444.4571326592. The cubic root of 55419942 is about 381.2606836745.

The spelling of 55419942 in words is "fifty-five million, four hundred nineteen thousand, nine hundred forty-two".