55140543155 has 8 divisors (see below), whose sum is σ = 66232712832. Its totient is φ = 44069727168.

The previous prime is 55140543151. The next prime is 55140543167. The reversal of 55140543155 is 55134504155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55140543155 - 2² = 55140543151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55140543151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5332739 + ... + 5343068.

It is an arithmetic number, because the mean of its divisors is an integer number (8279089104).

Almost surely, 2^55140543155 is an apocalyptic number.

55140543155 is a deficient number, since it is larger than the sum of its proper divisors (11092169677).

55140543155 is a wasteful number, since it uses less digits than its factorization.

55140543155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676845.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 55140543155 in words is "fifty-five billion, one hundred forty million, five hundred forty-three thousand, one hundred fifty-five".