55530380370 has 16 divisors (see below), whose sum is σ = 133272912960. Its totient is φ = 14808101424.

The previous prime is 55530380369. The next prime is 55530380393. The reversal of 55530380370 is 7308303555.

It is a super-3 number, since 3×55530380370³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925506310 + ... + 925506369.

It is an arithmetic number, because the mean of its divisors is an integer number (8329557060).

Almost surely, 2^55530380370 is an apocalyptic number.

55530380370 is an abundant number, since it is smaller than the sum of its proper divisors (77742532590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55530380370 is a wasteful number, since it uses less digits than its factorization.

55530380370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851012689.

The product of its (nonzero) digits is 189000, while the sum is 39.

The spelling of 55530380370 in words is "fifty-five billion, five hundred thirty million, three hundred eighty thousand, three hundred seventy".