55457440545063 has 4 divisors (see below), whose sum is σ = 73943254060088. Its totient is φ = 36971627030040.

The previous prime is 55457440545043. The next prime is 55457440545077. The reversal of 55457440545063 is 36054504475455.

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

It is not a de Polignac number, because 55457440545063 - 2¹² = 55457440540967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55457440544994 and 55457440545012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55457440545043) 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, 9242906757508 + ... + 9242906757513.

It is an arithmetic number, because the mean of its divisors is an integer number (18485813515022).

Almost surely, 2^{55457440545063} is an apocalyptic number.

55457440545063 is a deficient number, since it is larger than the sum of its proper divisors (18485813515025).

55457440545063 is a wasteful number, since it uses less digits than its factorization.

55457440545063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18485813515024.

The product of its (nonzero) digits is 100800000, while the sum is 57.

The spelling of 55457440545063 in words is "fifty-five trillion, four hundred fifty-seven billion, four hundred forty million, five hundred forty-five thousand, sixty-three".