53658619345 has 12 divisors (see below), whose sum is σ = 64819731060. Its totient is φ = 42642520800.

The previous prime is 53658619277. The next prime is 53658619349. The reversal of 53658619345 is 54391685635.

It can be written as a sum of positive squares in 2 ways, for example, as 40454081424 + 13204537921 = 201132^2 + 114911^2 .

It is not a de Polignac number, because 53658619345 - 2¹¹ = 53658617297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53658619349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121330 + ... + 349339.

It is an arithmetic number, because the mean of its divisors is an integer number (5401644255).

Almost surely, 2^53658619345 is an apocalyptic number.

It is an amenable number.

53658619345 is a deficient number, since it is larger than the sum of its proper divisors (11161111715).

53658619345 is an equidigital number, since it uses as much as digits as its factorization.

53658619345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470976 (or 470825 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 55.

The spelling of 53658619345 in words is "fifty-three billion, six hundred fifty-eight million, six hundred nineteen thousand, three hundred forty-five".