552556780 has 24 divisors (see below), whose sum is σ = 1228627008. Its totient is φ = 208021248.

The previous prime is 552556777. The next prime is 552556789. The reversal of 552556780 is 87655255.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (552556789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812244 + ... + 812923.

It is an arithmetic number, because the mean of its divisors is an integer number (51192792).

Almost surely, 2^552556780 is an apocalyptic number.

It is an amenable number.

552556780 is an abundant number, since it is smaller than the sum of its proper divisors (676070228).

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

552556780 is a wasteful number, since it uses less digits than its factorization.

552556780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625193 (or 1625191 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 43.

The square root of 552556780 is about 23506.5263278095. The cubic root of 552556780 is about 820.5888988020.

The spelling of 552556780 in words is "five hundred fifty-two million, five hundred fifty-six thousand, seven hundred eighty".