55452400243409 has 16 divisors (see below), whose sum is σ = 60611569441920. Its totient is φ = 50420945836800.

The previous prime is 55452400243379. The next prime is 55452400243483. The reversal of 55452400243409 is 90434200425455.

It is not a de Polignac number, because 55452400243409 - 2²⁰ = 55452399194833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55452400243489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22155932 + ... + 24531410.

It is an arithmetic number, because the mean of its divisors is an integer number (3788223090120).

Almost surely, 2^{55452400243409} is an apocalyptic number.

It is an amenable number.

55452400243409 is a deficient number, since it is larger than the sum of its proper divisors (5159169198511).

55452400243409 is a wasteful number, since it uses less digits than its factorization.

55452400243409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402360.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 55452400243409 in words is "fifty-five trillion, four hundred fifty-two billion, four hundred million, two hundred forty-three thousand, four hundred nine".