55313120455 has 4 divisors (see below), whose sum is σ = 66375744552. Its totient is φ = 44250496360.

The previous prime is 55313120453. The next prime is 55313120591. The reversal of 55313120455 is 55402131355.

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

It is not a de Polignac number, because 55313120455 - 2¹ = 55313120453 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 55313120455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55313120453) 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, 5531312041 + ... + 5531312050.

It is an arithmetic number, because the mean of its divisors is an integer number (16593936138).

Almost surely, 2^55313120455 is an apocalyptic number.

55313120455 is a deficient number, since it is larger than the sum of its proper divisors (11062624097).

55313120455 is a wasteful number, since it uses less digits than its factorization.

55313120455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062624096.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 55313120455 in words is "fifty-five billion, three hundred thirteen million, one hundred twenty thousand, four hundred fifty-five".