555118872 has 128 divisors (see below), whose sum is σ = 1738022400. Its totient is φ = 143539200.

The previous prime is 555118853. The next prime is 555118897. The reversal of 555118872 is 278811555.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518754 + ... + 519822.

It is an arithmetic number, because the mean of its divisors is an integer number (13578300).

Almost surely, 2^555118872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555118872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869011200).

555118872 is an abundant number, since it is smaller than the sum of its proper divisors (1182903528).

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

555118872 is a wasteful number, since it uses less digits than its factorization.

555118872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1373 counting only the distinct ones).

The product of its digits is 112000, while the sum is 42.

The square root of 555118872 is about 23560.9607613951. The cubic root of 555118872 is about 821.8552441328.

The spelling of 555118872 in words is "five hundred fifty-five million, one hundred eighteen thousand, eight hundred seventy-two".