55143524535 has 128 divisors (see below), whose sum is σ = 106151731200. Its totient is φ = 24129262080.

The previous prime is 55143524519. The next prime is 55143524537. The reversal of 55143524535 is 53542534155.

It is not a de Polignac number, because 55143524535 - 2⁴ = 55143524519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55143524537) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19394824 + ... + 19397666.

It is an arithmetic number, because the mean of its divisors is an integer number (829310400).

Almost surely, 2^55143524535 is an apocalyptic number.

55143524535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55143524535 is a deficient number, since it is larger than the sum of its proper divisors (51008206665).

55143524535 is a wasteful number, since it uses less digits than its factorization.

55143524535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173.

The product of its digits is 900000, while the sum is 42.

The spelling of 55143524535 in words is "fifty-five billion, one hundred forty-three million, five hundred twenty-four thousand, five hundred thirty-five".