55140206463 has 64 divisors (see below), whose sum is σ = 86482944000. Its totient is φ = 34651270368.

The previous prime is 55140206431. The next prime is 55140206521. The reversal of 55140206463 is 36460204155.

55140206463 is a `hidden beast` number, since 5 + 5 + 1 + 4 + 0 + 2 + 0 + 646 + 3 = 666.

It is not a de Polignac number, because 55140206463 - 2⁵ = 55140206431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55140206063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49990570 + ... + 49991672.

It is an arithmetic number, because the mean of its divisors is an integer number (1351296000).

Almost surely, 2^55140206463 is an apocalyptic number.

55140206463 is a deficient number, since it is larger than the sum of its proper divisors (31342737537).

55140206463 is a wasteful number, since it uses less digits than its factorization.

55140206463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 55140206463 in words is "fifty-five billion, one hundred forty million, two hundred six thousand, four hundred sixty-three".