55530030553 has 8 divisors (see below), whose sum is σ = 58898869920. Its totient is φ = 52205811840.

The previous prime is 55530030533. The next prime is 55530030557. The reversal of 55530030553 is 35503003555.

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

It is a cyclic number.

It is not a de Polignac number, because 55530030553 - 2²¹ = 55527933401 is a prime.

It is a super-2 number, since 2×55530030553² (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 (55530030557) 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, 11152600 + ... + 11157577.

It is an arithmetic number, because the mean of its divisors is an integer number (7362358740).

Almost surely, 2^55530030553 is an apocalyptic number.

It is an amenable number.

55530030553 is a deficient number, since it is larger than the sum of its proper divisors (3368839367).

55530030553 is a wasteful number, since it uses less digits than its factorization.

55530030553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22310327.

The product of its (nonzero) digits is 84375, while the sum is 34.

The spelling of 55530030553 in words is "fifty-five billion, five hundred thirty million, thirty thousand, five hundred fifty-three".