55898539398 has 64 divisors (see below), whose sum is σ = 135073236480. Its totient is φ = 17032542624.

The previous prime is 55898539373. The next prime is 55898539523. The reversal of 55898539398 is 89393589855.

55898539398 is a `hidden beast` number, since 5 + 5 + 89 + 8 + 539 + 3 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314236 + ... + 458847.

It is an arithmetic number, because the mean of its divisors is an integer number (2110519320).

Almost surely, 2^55898539398 is an apocalyptic number.

55898539398 is an abundant number, since it is smaller than the sum of its proper divisors (79174697082).

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

55898539398 is a wasteful number, since it uses less digits than its factorization.

55898539398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773210 (or 773204 counting only the distinct ones).

The product of its digits is 419904000, while the sum is 72.

The spelling of 55898539398 in words is "fifty-five billion, eight hundred ninety-eight million, five hundred thirty-nine thousand, three hundred ninety-eight".