55646942 has 8 divisors (see below), whose sum is σ = 89891256. Its totient is φ = 25683192.

The previous prime is 55646939. The next prime is 55646957. The reversal of 55646942 is 24964655.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55646942.

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, 1070108 + ... + 1070159.

It is an arithmetic number, because the mean of its divisors is an integer number (11236407).

Almost surely, 2^55646942 is an apocalyptic number.

55646942 is a deficient number, since it is larger than the sum of its proper divisors (34244314).

55646942 is a wasteful number, since it uses less digits than its factorization.

55646942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140282.

The product of its digits is 259200, while the sum is 41.

The square root of 55646942 is about 7459.6877950756. The cubic root of 55646942 is about 381.7805222975.

The spelling of 55646942 in words is "fifty-five million, six hundred forty-six thousand, nine hundred forty-two".