55590864097 has 8 divisors (see below), whose sum is σ = 55690852392. Its totient is φ = 55490918400.

The previous prime is 55590864073. The next prime is 55590864149. The reversal of 55590864097 is 79046809555.

55590864097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14463429696 + 41127434401 = 120264^2 + 202799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55590864097 is a prime.

It is a super-2 number, since 2×55590864097² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55590862097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3749503 + ... + 3764299.

It is an arithmetic number, because the mean of its divisors is an integer number (6961356549).

Almost surely, 2^55590864097 is an apocalyptic number.

It is an amenable number.

55590864097 is a deficient number, since it is larger than the sum of its proper divisors (99988295).

55590864097 is a wasteful number, since it uses less digits than its factorization.

55590864097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299.

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 55590864097 in words is "fifty-five billion, five hundred ninety million, eight hundred sixty-four thousand, ninety-seven".