55143253304413 has 4 divisors (see below), whose sum is σ = 56922067927168. Its totient is φ = 53364438681660.

The previous prime is 55143253304383. The next prime is 55143253304437. The reversal of 55143253304413 is 31440335234155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-55143253304413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55143253304413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55143253304213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889407311331 + ... + 889407311392.

It is an arithmetic number, because the mean of its divisors is an integer number (14230516981792).

Almost surely, 2^{55143253304413} is an apocalyptic number.

It is an amenable number.

55143253304413 is a deficient number, since it is larger than the sum of its proper divisors (1778814622755).

55143253304413 is a wasteful number, since it uses less digits than its factorization.

55143253304413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778814622754.

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 55143253304413 its reverse (31440335234155), we get a palindrome (86583588538568).

The spelling of 55143253304413 in words is "fifty-five trillion, one hundred forty-three billion, two hundred fifty-three million, three hundred four thousand, four hundred thirteen".