55169941 has 2 divisors, whose sum is σ = 55169942. Its totient is φ = 55169940.

The previous prime is 55169929. The next prime is 55169951. The reversal of 55169941 is 14996155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42954916 + 12215025 = 6554^2 + 3495^2 .

It is a cyclic number.

It is not a de Polignac number, because 55169941 - 2²⁵ = 21615509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55169894 and 55169903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55169921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27584970 + 27584971.

It is an arithmetic number, because the mean of its divisors is an integer number (27584971).

Almost surely, 2^55169941 is an apocalyptic number.

It is an amenable number.

55169941 is a deficient number, since it is larger than the sum of its proper divisors (1).

55169941 is an equidigital number, since it uses as much as digits as its factorization.

55169941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 40.

The square root of 55169941 is about 7427.6470702370. The cubic root of 55169941 is about 380.6865267148.

The spelling of 55169941 in words is "fifty-five million, one hundred sixty-nine thousand, nine hundred forty-one".