55432532123 has 4 divisors (see below), whose sum is σ = 55484387760. Its totient is φ = 55380676488.

The previous prime is 55432532117. The next prime is 55432532143. The reversal of 55432532123 is 32123523455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55432532123 - 2²² = 55428337819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55432532143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25926215 + ... + 25928352.

It is an arithmetic number, because the mean of its divisors is an integer number (13871096940).

Almost surely, 2^55432532123 is an apocalyptic number.

55432532123 is a deficient number, since it is larger than the sum of its proper divisors (51855637).

55432532123 is a wasteful number, since it uses less digits than its factorization.

55432532123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51855636.

The product of its digits is 108000, while the sum is 35.

The spelling of 55432532123 in words is "fifty-five billion, four hundred thirty-two million, five hundred thirty-two thousand, one hundred twenty-three".