55571265347432 has 8 divisors (see below), whose sum is σ = 104196122526450. Its totient is φ = 27785632673712.

The previous prime is 55571265347407. The next prime is 55571265347509. The reversal of 55571265347432 is 23474356217555.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39201197899396 + 16370067448036 = 6261086^2 + 4045994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473204084207 + ... + 3473204084222.

Almost surely, 2^{55571265347432} is an apocalyptic number.

It is an amenable number.

55571265347432 is a deficient number, since it is larger than the sum of its proper divisors (48624857179018).

55571265347432 is a wasteful number, since it uses less digits than its factorization.

55571265347432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946408168435 (or 6946408168431 counting only the distinct ones).

The product of its digits is 105840000, while the sum is 59.

The spelling of 55571265347432 in words is "fifty-five trillion, five hundred seventy-one billion, two hundred sixty-five million, three hundred forty-seven thousand, four hundred thirty-two".