55587758058 has 144 divisors (see below), whose sum is σ = 151611445440. Its totient is φ = 15191535744.

The previous prime is 55587758033. The next prime is 55587758071. The reversal of 55587758058 is 85085778555.

55587758058 is a `hidden beast` number, since 5 + 558 + 7 + 75 + 8 + 0 + 5 + 8 = 666.

It is a super-3 number, since 3×55587758058³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 55587757986 and 55587758004.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 496978 + ... + 598466.

It is an arithmetic number, because the mean of its divisors is an integer number (1052857260).

Almost surely, 2^55587758058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55587758058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75805722720).

55587758058 is an abundant number, since it is smaller than the sum of its proper divisors (96023687382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55587758058 is a wasteful number, since it uses less digits than its factorization.

55587758058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101543 (or 101524 counting only the distinct ones).

The product of its (nonzero) digits is 78400000, while the sum is 63.

The spelling of 55587758058 in words is "fifty-five billion, five hundred eighty-seven million, seven hundred fifty-eight thousand, fifty-eight".