55530407563 has 8 divisors (see below), whose sum is σ = 55743187136. Its totient is φ = 55317686400.

The previous prime is 55530407549. The next prime is 55530407593. The reversal of 55530407563 is 36570403555.

It is a happy number.

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-55530407563 is a prime.

It is a super-2 number, since 2×55530407563² (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 (55530407593) 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, 3344803 + ... + 3361363.

It is an arithmetic number, because the mean of its divisors is an integer number (6967898392).

Almost surely, 2^55530407563 is an apocalyptic number.

55530407563 is a deficient number, since it is larger than the sum of its proper divisors (212779573).

55530407563 is a wasteful number, since it uses less digits than its factorization.

55530407563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29205.

The product of its (nonzero) digits is 945000, while the sum is 43.

The spelling of 55530407563 in words is "fifty-five billion, five hundred thirty million, four hundred seven thousand, five hundred sixty-three".