59955495557 has 4 divisors (see below), whose sum is σ = 59981921580. Its totient is φ = 59929069536.

The previous prime is 59955495547. The next prime is 59955495559. The reversal of 59955495557 is 75559455995.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13822469761 + 46133025796 = 117569^2 + 214786^2 .

It is a cyclic number.

It is not a de Polignac number, because 59955495557 - 2⁴ = 59955495541 is a prime.

It is a super-2 number, since 2×59955495557² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59955495559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13209608 + ... + 13214145.

It is an arithmetic number, because the mean of its divisors is an integer number (14995480395).

Almost surely, 2^59955495557 is an apocalyptic number.

It is an amenable number.

59955495557 is a deficient number, since it is larger than the sum of its proper divisors (26426023).

59955495557 is a wasteful number, since it uses less digits than its factorization.

59955495557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26426022.

The product of its digits is 318937500, while the sum is 68.

The spelling of 59955495557 in words is "fifty-nine billion, nine hundred fifty-five million, four hundred ninety-five thousand, five hundred fifty-seven".