55140552643 has 16 divisors (see below), whose sum is σ = 62254137600. Its totient is φ = 48378578080.

The previous prime is 55140552611. The next prime is 55140552653. The reversal of 55140552643 is 34625504155.

55140552643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55140552643 - 2⁵ = 55140552611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55140552596 and 55140552605.

It is not an unprimeable number, because it can be changed into a prime (55140552653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737268 + ... + 808606.

It is an arithmetic number, because the mean of its divisors is an integer number (3890883600).

Almost surely, 2^55140552643 is an apocalyptic number.

55140552643 is a deficient number, since it is larger than the sum of its proper divisors (7113584957).

55140552643 is a wasteful number, since it uses less digits than its factorization.

55140552643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73802.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 55140552643 in words is "fifty-five billion, one hundred forty million, five hundred fifty-two thousand, six hundred forty-three".