5555758638 has 8 divisors (see below), whose sum is σ = 11111517288. Its totient is φ = 1851919544.

The previous prime is 5555758603. The next prime is 5555758673. The reversal of 5555758638 is 8368575555.

It is an interprime number because it is at equal distance from previous prime (5555758603) and next prime (5555758673).

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

5555758638 is an admirable number.

It is a super-4 number, since 4×5555758638⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462979881 + ... + 462979892.

It is an arithmetic number, because the mean of its divisors is an integer number (1388939661).

Almost surely, 2^5555758638 is an apocalyptic number.

5555758638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5555758638 is a wasteful number, since it uses less digits than its factorization.

5555758638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925959778.

The product of its digits is 25200000, while the sum is 57.

The square root of 5555758638 is about 74536.9615559958. The cubic root of 5555758638 is about 1771.1191957714.

The spelling of 5555758638 in words is "five billion, five hundred fifty-five million, seven hundred fifty-eight thousand, six hundred thirty-eight".