55816941 has 4 divisors (see below), whose sum is σ = 74422592. Its totient is φ = 37211292.

The previous prime is 55816931. The next prime is 55816991. The reversal of 55816941 is 14961855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55816941 - 2⁹ = 55816429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55816941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55816921) 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, 9302821 + ... + 9302826.

It is an arithmetic number, because the mean of its divisors is an integer number (18605648).

Almost surely, 2^55816941 is an apocalyptic number.

It is an amenable number.

55816941 is a deficient number, since it is larger than the sum of its proper divisors (18605651).

55816941 is a wasteful number, since it uses less digits than its factorization.

55816941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18605650.

The product of its digits is 43200, while the sum is 39.

The square root of 55816941 is about 7471.0736176269. The cubic root of 55816941 is about 382.1689013972.

The spelling of 55816941 in words is "fifty-five million, eight hundred sixteen thousand, nine hundred forty-one".