55333302561 has 24 divisors (see below), whose sum is σ = 80065440000. Its totient is φ = 36824527872.

The previous prime is 55333302553. The next prime is 55333302569. The reversal of 55333302561 is 16520333355.

It is an interprime number because it is at equal distance from previous prime (55333302553) and next prime (55333302569).

It is not a de Polignac number, because 55333302561 - 2³ = 55333302553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55333302569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17739160 + ... + 17742278.

It is an arithmetic number, because the mean of its divisors is an integer number (3336060000).

Almost surely, 2^55333302561 is an apocalyptic number.

It is an amenable number.

55333302561 is a deficient number, since it is larger than the sum of its proper divisors (24732137439).

55333302561 is a wasteful number, since it uses less digits than its factorization.

55333302561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933 (or 5930 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

The spelling of 55333302561 in words is "fifty-five billion, three hundred thirty-three million, three hundred two thousand, five hundred sixty-one".