55143200233422 has 64 divisors (see below), whose sum is σ = 140161298941440. Its totient is φ = 15742254002688.

The previous prime is 55143200233403. The next prime is 55143200233483. The reversal of 55143200233422 is 22433200234155.

55143200233422 is a `hidden beast` number, since 5 + 5 + 1 + 4 + 3 + 200 + 23 + 3 + 422 = 666.

It is a congruent number.

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, 59474848 + ... + 60394899.

It is an arithmetic number, because the mean of its divisors is an integer number (2190020295960).

Almost surely, 2^{55143200233422} is an apocalyptic number.

55143200233422 is an abundant number, since it is smaller than the sum of its proper divisors (85018098708018).

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

55143200233422 is a wasteful number, since it uses less digits than its factorization.

55143200233422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119870982 (or 119870976 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 55143200233422 its reverse (22433200234155), we get a palindrome (77576400467577).

The spelling of 55143200233422 in words is "fifty-five trillion, one hundred forty-three billion, two hundred million, two hundred thirty-three thousand, four hundred twenty-two".