55456550463 has 4 divisors (see below), whose sum is σ = 73942067288. Its totient is φ = 36971033640.

The previous prime is 55456550453. The next prime is 55456550483. The reversal of 55456550463 is 36405565455.

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

It is not a de Polignac number, because 55456550463 - 2⁶ = 55456550399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55456550453) 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, 9242758408 + ... + 9242758413.

It is an arithmetic number, because the mean of its divisors is an integer number (18485516822).

Almost surely, 2^55456550463 is an apocalyptic number.

55456550463 is a deficient number, since it is larger than the sum of its proper divisors (18485516825).

55456550463 is a wasteful number, since it uses less digits than its factorization.

55456550463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18485516824.

The product of its (nonzero) digits is 5400000, while the sum is 48.

The spelling of 55456550463 in words is "fifty-five billion, four hundred fifty-six million, five hundred fifty thousand, four hundred sixty-three".