55510541 has 2 divisors, whose sum is σ = 55510542. Its totient is φ = 55510540.

The previous prime is 55510529. The next prime is 55510561. The reversal of 55510541 is 14501555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54449641 + 1060900 = 7379^2 + 1030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55510541 is a prime.

It is a super-2 number, since 2×55510541² = 6162840324225362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55510541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55510501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755270 + 27755271.

It is an arithmetic number, because the mean of its divisors is an integer number (27755271).

Almost surely, 2^55510541 is an apocalyptic number.

It is an amenable number.

55510541 is a deficient number, since it is larger than the sum of its proper divisors (1).

55510541 is an equidigital number, since it uses as much as digits as its factorization.

55510541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 55510541 is about 7450.5396448848. The cubic root of 55510541 is about 381.4683287316.

The spelling of 55510541 in words is "fifty-five million, five hundred ten thousand, five hundred forty-one".