49305555558 has 96 divisors (see below), whose sum is σ = 123460227072. Its totient is φ = 13930056000.

The previous prime is 49305555511. The next prime is 49305555577. The reversal of 49305555558 is 85555550394.

It is a happy number.

49305555558 is a `hidden beast` number, since 4 + 9 + 30 + 5 + 5 + 55 + 558 = 666.

It is a super-3 number, since 3×49305555558³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4236988 + ... + 4248608.

It is an arithmetic number, because the mean of its divisors is an integer number (1286044032).

Almost surely, 2^49305555558 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49305555558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61730113536).

49305555558 is an abundant number, since it is smaller than the sum of its proper divisors (74154671514).

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

49305555558 is a wasteful number, since it uses less digits than its factorization.

49305555558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12010 (or 12007 counting only the distinct ones).

The product of its (nonzero) digits is 13500000, while the sum is 54.

The spelling of 49305555558 in words is "forty-nine billion, three hundred five million, five hundred fifty-five thousand, five hundred fifty-eight".