55233625613 has 12 divisors (see below), whose sum is σ = 58351818780. Its totient is φ = 52274388096.

The previous prime is 55233625589. The next prime is 55233625633. The reversal of 55233625613 is 31652633255.

It can be written as a sum of positive squares in 2 ways, for example, as 22632795364 + 32600830249 = 150442^2 + 180557^2 .

It is not a de Polignac number, because 55233625613 - 2⁸ = 55233625357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55233625633) 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 11 ways as a sum of consecutive naturals, for example, 288431 + ... + 440067.

It is an arithmetic number, because the mean of its divisors is an integer number (4862651565).

Almost surely, 2^55233625613 is an apocalyptic number.

It is an amenable number.

55233625613 is a deficient number, since it is larger than the sum of its proper divisors (3118193167).

55233625613 is a wasteful number, since it uses less digits than its factorization.

55233625613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152684 (or 152665 counting only the distinct ones).

The product of its digits is 486000, while the sum is 41.

The spelling of 55233625613 in words is "fifty-five billion, two hundred thirty-three million, six hundred twenty-five thousand, six hundred thirteen".