55528741 has 2 divisors, whose sum is σ = 55528742. Its totient is φ = 55528740.

The previous prime is 55528723. The next prime is 55528751. The reversal of 55528741 is 14782555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33108516 + 22420225 = 5754^2 + 4735^2 .

It is a cyclic number.

It is not a de Polignac number, because 55528741 - 2⁵ = 55528709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55528741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55528751) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27764370 + 27764371.

It is an arithmetic number, because the mean of its divisors is an integer number (27764371).

Almost surely, 2^55528741 is an apocalyptic number.

It is an amenable number.

55528741 is a deficient number, since it is larger than the sum of its proper divisors (1).

55528741 is an equidigital number, since it uses as much as digits as its factorization.

55528741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56000, while the sum is 37.

The square root of 55528741 is about 7451.7609328265. The cubic root of 55528741 is about 381.5100142976.

The spelling of 55528741 in words is "fifty-five million, five hundred twenty-eight thousand, seven hundred forty-one".