55123250413 has 24 divisors (see below), whose sum is σ = 69262969664. Its totient is φ = 42942493440.

The previous prime is 55123250411. The next prime is 55123250417. The reversal of 55123250413 is 31405232155.

It is not a de Polignac number, because 55123250413 - 2¹ = 55123250411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55123250411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6257470 + ... + 6266272.

Almost surely, 2^55123250413 is an apocalyptic number.

It is an amenable number.

55123250413 is a deficient number, since it is larger than the sum of its proper divisors (14139719251).

55123250413 is a wasteful number, since it uses less digits than its factorization.

55123250413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16225 (or 16214 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 55123250413 its reverse (31405232155), we get a palindrome (86528482568).

The spelling of 55123250413 in words is "fifty-five billion, one hundred twenty-three million, two hundred fifty thousand, four hundred thirteen".