55890389810 has 32 divisors (see below), whose sum is σ = 102768486912. Its totient is φ = 21875104960.

The previous prime is 55890389803. The next prime is 55890389843. The reversal of 55890389810 is 1898309855.

It is a super-2 number, since 2×55890389810² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277164 + ... + 2301576.

It is an arithmetic number, because the mean of its divisors is an integer number (3211515216).

Almost surely, 2^55890389810 is an apocalyptic number.

55890389810 is a deficient number, since it is larger than the sum of its proper divisors (46878097102).

55890389810 is a wasteful number, since it uses less digits than its factorization.

55890389810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29338.

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 55890389810 in words is "fifty-five billion, eight hundred ninety million, three hundred eighty-nine thousand, eight hundred ten".