55440662463 has 20 divisors (see below), whose sum is σ = 87690461760. Its totient is φ = 34786297152.

The previous prime is 55440662447. The next prime is 55440662503. The reversal of 55440662463 is 36426604455.

It is a happy number.

55440662463 is a `hidden beast` number, since 5 + 544 + 0 + 6 + 62 + 46 + 3 = 666.

It is not a de Polignac number, because 55440662463 - 2⁴ = 55440662447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55440662443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20129583 + ... + 20132336.

It is an arithmetic number, because the mean of its divisors is an integer number (4384523088).

Almost surely, 2^55440662463 is an apocalyptic number.

55440662463 is a deficient number, since it is larger than the sum of its proper divisors (32249799297).

55440662463 is a wasteful number, since it uses less digits than its factorization.

55440662463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40261948 (or 40261939 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 55440662463 in words is "fifty-five billion, four hundred forty million, six hundred sixty-two thousand, four hundred sixty-three".