55312237893552 has 160 divisors (see below), whose sum is σ = 146453346004992. Its totient is φ = 17983103922432.

The previous prime is 55312237893541. The next prime is 55312237893587. The reversal of 55312237893552 is 25539873221355.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3977287783 + ... + 3977301689.

Almost surely, 2^{55312237893552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55312237893552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73226673002496).

55312237893552 is an abundant number, since it is smaller than the sum of its proper divisors (91141108111440).

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

55312237893552 is a wasteful number, since it uses less digits than its factorization.

55312237893552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26095 (or 26089 counting only the distinct ones).

The product of its digits is 68040000, while the sum is 60.

The spelling of 55312237893552 in words is "fifty-five trillion, three hundred twelve billion, two hundred thirty-seven million, eight hundred ninety-three thousand, five hundred fifty-two".