55555253513 has 8 divisors (see below), whose sum is σ = 60851596680. Its totient is φ = 50484286720.

The previous prime is 55555253497. The next prime is 55555253531. The reversal of 55555253513 is 31535255555.

It can be written as a sum of positive squares in 4 ways, for example, as 8210715769 + 47344537744 = 90613^2 + 217588^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55555253513 - 2⁴ = 55555253497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55555253113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56343578 + ... + 56344563.

It is an arithmetic number, because the mean of its divisors is an integer number (7606449585).

Almost surely, 2^55555253513 is an apocalyptic number.

It is an amenable number.

55555253513 is a deficient number, since it is larger than the sum of its proper divisors (5296343167).

55555253513 is a wasteful number, since it uses less digits than its factorization.

55555253513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112688187.

The product of its digits is 1406250, while the sum is 44.

The spelling of 55555253513 in words is "fifty-five billion, five hundred fifty-five million, two hundred fifty-three thousand, five hundred thirteen".