55816942 has 8 divisors (see below), whose sum is σ = 85988376. Its totient is φ = 27154152.

The previous prime is 55816931. The next prime is 55816991. The reversal of 55816942 is 24961855.

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

It is a junction number, because it is equal to n+sod(n) for n = 55816895 and 55816904.

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, 377068 + ... + 377215.

It is an arithmetic number, because the mean of its divisors is an integer number (10748547).

Almost surely, 2^55816942 is an apocalyptic number.

55816942 is a deficient number, since it is larger than the sum of its proper divisors (30171434).

55816942 is a wasteful number, since it uses less digits than its factorization.

55816942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754322.

The product of its digits is 86400, while the sum is 40.

The square root of 55816942 is about 7471.0736845516. The cubic root of 55816942 is about 382.1689036795.

The spelling of 55816942 in words is "fifty-five million, eight hundred sixteen thousand, nine hundred forty-two".