55643292000 has 144 divisors (see below), whose sum is σ = 197478171072. Its totient is φ = 14838201600.

The previous prime is 55643291971. The next prime is 55643292013. The reversal of 55643292000 is 29234655.

55643292000 is a `hidden beast` number, since 5 + 5 + 643 + 2 + 9 + 2 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 736824 + ... + 808823.

It is an arithmetic number, because the mean of its divisors is an integer number (1371376188).

Almost surely, 2^55643292000 is an apocalyptic number.

55643292000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55643292000 is an abundant number, since it is smaller than the sum of its proper divisors (141834879072).

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

55643292000 is a wasteful number, since it uses less digits than its factorization.

55643292000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545678 (or 1545657 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 55643292000 in words is "fifty-five billion, six hundred forty-three million, two hundred ninety-two thousand".