55123063425 has 144 divisors (see below), whose sum is σ = 103601047680. Its totient is φ = 27990144000.

The previous prime is 55123063421. The next prime is 55123063441. The reversal of 55123063425 is 52436032155.

55123063425 is a `hidden beast` number, since 5 + 5 + 1 + 2 + 306 + 342 + 5 = 666.

It is not a de Polignac number, because 55123063425 - 2² = 55123063421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55123063425.

It is not an unprimeable number, because it can be changed into a prime (55123063421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 105802165 + ... + 105802685.

It is an arithmetic number, because the mean of its divisors is an integer number (719451720).

Almost surely, 2^55123063425 is an apocalyptic number.

It is an amenable number.

55123063425 is a deficient number, since it is larger than the sum of its proper divisors (48477984255).

55123063425 is a wasteful number, since it uses less digits than its factorization.

55123063425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 55123063425 in words is "fifty-five billion, one hundred twenty-three million, sixty-three thousand, four hundred twenty-five".