55400087059 has 2 divisors, whose sum is σ = 55400087060. Its totient is φ = 55400087058.

The previous prime is 55400087053. The next prime is 55400087063. The reversal of 55400087059 is 95078000455.

55400087059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55400087059 is a prime.

It is a super-2 number, since 2×55400087059² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55400087053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27700043529 + 27700043530.

It is an arithmetic number, because the mean of its divisors is an integer number (27700043530).

Almost surely, 2^55400087059 is an apocalyptic number.

55400087059 is a deficient number, since it is larger than the sum of its proper divisors (1).

55400087059 is an equidigital number, since it uses as much as digits as its factorization.

55400087059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 55400087059 in words is "fifty-five billion, four hundred million, eighty-seven thousand, fifty-nine".