55887090229 has 2 divisors, whose sum is σ = 55887090230. Its totient is φ = 55887090228.

The previous prime is 55887090223. The next prime is 55887090251. The reversal of 55887090229 is 92209078855.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55472967729 + 414122500 = 235527^2 + 20350^2 .

It is a cyclic number.

It is not a de Polignac number, because 55887090229 - 2¹³ = 55887082037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55887090229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55887090223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27943545114 + 27943545115.

It is an arithmetic number, because the mean of its divisors is an integer number (27943545115).

Almost surely, 2^55887090229 is an apocalyptic number.

It is an amenable number.

55887090229 is a deficient number, since it is larger than the sum of its proper divisors (1).

55887090229 is an equidigital number, since it uses as much as digits as its factorization.

55887090229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 55887090229 in words is "fifty-five billion, eight hundred eighty-seven million, ninety thousand, two hundred twenty-nine".