55233201251571 has 64 divisors (see below), whose sum is σ = 89031931164672. Its totient is φ = 29774468477952.

The previous prime is 55233201251549. The next prime is 55233201251581. The reversal of 55233201251571 is 17515210233255.

It is not a de Polignac number, because 55233201251571 - 2¹³ = 55233201243379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55233201251581) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1087820541 + ... + 1087871313.

It is an arithmetic number, because the mean of its divisors is an integer number (1391123924448).

Almost surely, 2^{55233201251571} is an apocalyptic number.

55233201251571 is a deficient number, since it is larger than the sum of its proper divisors (33798729913101).

55233201251571 is a wasteful number, since it uses less digits than its factorization.

55233201251571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81732.

The product of its (nonzero) digits is 315000, while the sum is 42.

The spelling of 55233201251571 in words is "fifty-five trillion, two hundred thirty-three billion, two hundred one million, two hundred fifty-one thousand, five hundred seventy-one".