55817941 has 16 divisors (see below), whose sum is σ = 60476544. Its totient is φ = 51378624.

The previous prime is 55817929. The next prime is 55817963. The reversal of 55817941 is 14971855.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55817941 - 2⁹ = 55817429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55817894 and 55817903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55817911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90751 + ... + 91363.

It is an arithmetic number, because the mean of its divisors is an integer number (3779784).

Almost surely, 2^55817941 is an apocalyptic number.

It is an amenable number.

55817941 is a deficient number, since it is larger than the sum of its proper divisors (4658603).

55817941 is a wasteful number, since it uses less digits than its factorization.

55817941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its digits is 50400, while the sum is 40.

The square root of 55817941 is about 7471.1405421127. The cubic root of 55817941 is about 382.1711836590.

The spelling of 55817941 in words is "fifty-five million, eight hundred seventeen thousand, nine hundred forty-one".