55441001215045 has 4 divisors (see below), whose sum is σ = 66529201458060. Its totient is φ = 44352800972032.

The previous prime is 55441001215043. The next prime is 55441001215069. The reversal of 55441001215045 is 54051210014455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9973936687716 + 45467064527329 = 3158154^2 + 6742927^2 .

It is a cyclic number.

It is not a de Polignac number, because 55441001215045 - 2¹ = 55441001215043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55441001214995 and 55441001215013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55441001215043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5544100121500 + ... + 5544100121509.

It is an arithmetic number, because the mean of its divisors is an integer number (16632300364515).

Almost surely, 2^{55441001215045} is an apocalyptic number.

It is an amenable number.

55441001215045 is a deficient number, since it is larger than the sum of its proper divisors (11088200243015).

55441001215045 is a wasteful number, since it uses less digits than its factorization.

55441001215045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088200243014.

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 55441001215045 in words is "fifty-five trillion, four hundred forty-one billion, one million, two hundred fifteen thousand, forty-five".