55142101663 has 64 divisors (see below), whose sum is σ = 72220999680. Its totient is φ = 41372812800.

The previous prime is 55142101657. The next prime is 55142101667. The reversal of 55142101663 is 36610124155.

It is not a de Polignac number, because 55142101663 - 2²⁵ = 55108547231 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 (55142101667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2522406 + ... + 2544172.

It is an arithmetic number, because the mean of its divisors is an integer number (1128453120).

Almost surely, 2^55142101663 is an apocalyptic number.

55142101663 is a deficient number, since it is larger than the sum of its proper divisors (17078898017).

55142101663 is a wasteful number, since it uses less digits than its factorization.

55142101663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 55142101663 in words is "fifty-five billion, one hundred forty-two million, one hundred one thousand, six hundred sixty-three".