55045353463505 has 4 divisors (see below), whose sum is σ = 66054424156212. Its totient is φ = 44036282770800.

The previous prime is 55045353463501. The next prime is 55045353463547. The reversal of 55045353463505 is 50536435354055.

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 38712188935744 + 16333164527761 = 6221912^2 + 4041431^2 .

It is not a de Polignac number, because 55045353463505 - 2² = 55045353463501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55045353463501) 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, 5504535346346 + ... + 5504535346355.

It is an arithmetic number, because the mean of its divisors is an integer number (16513606039053).

Almost surely, 2^{55045353463505} is an apocalyptic number.

It is an amenable number.

55045353463505 is a deficient number, since it is larger than the sum of its proper divisors (11009070692707).

55045353463505 is a wasteful number, since it uses less digits than its factorization.

55045353463505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11009070692706.

The product of its (nonzero) digits is 40500000, while the sum is 53.

The spelling of 55045353463505 in words is "fifty-five trillion, forty-five billion, three hundred fifty-three million, four hundred sixty-three thousand, five hundred five".