55530380375 has 8 divisors (see below), whose sum is σ = 69301914864. Its totient is φ = 44424304200.

The previous prime is 55530380369. The next prime is 55530380393. The reversal of 55530380375 is 57308303555.

It is not a de Polignac number, because 55530380375 - 2⁴ = 55530380359 is a prime.

It is a super-3 number, since 3×55530380375³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222121397 + ... + 222121646.

It is an arithmetic number, because the mean of its divisors is an integer number (8662739358).

Almost surely, 2^55530380375 is an apocalyptic number.

55530380375 is a deficient number, since it is larger than the sum of its proper divisors (13771534489).

55530380375 is an equidigital number, since it uses as much as digits as its factorization.

55530380375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444243058 (or 444243048 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 44.

The spelling of 55530380375 in words is "fifty-five billion, five hundred thirty million, three hundred eighty thousand, three hundred seventy-five".