55001942 has 8 divisors (see below), whose sum is σ = 83497176. Its totient is φ = 27169552.

The previous prime is 55001909. The next prime is 55001957. The reversal of 55001942 is 24910055.

55001942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165503 + ... + 165834.

It is an arithmetic number, because the mean of its divisors is an integer number (10437147).

Almost surely, 2^55001942 is an apocalyptic number.

55001942 is a deficient number, since it is larger than the sum of its proper divisors (28495234).

55001942 is a wasteful number, since it uses less digits than its factorization.

55001942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331422.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 55001942 is about 7416.3294155532. The cubic root of 55001942 is about 380.2997219833.

Adding to 55001942 its reverse (24910055), we get a palindrome (79911997).

The spelling of 55001942 in words is "fifty-five million, one thousand, nine hundred forty-two".