626550552 has 80 divisors (see below), whose sum is σ = 1761130800. Its totient is φ = 208111680.

The previous prime is 626550527. The next prime is 626550557. The reversal of 626550552 is 255055626.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626550557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 199974 + ... + 203082.

It is an arithmetic number, because the mean of its divisors is an integer number (22014135).

Almost surely, 2^626550552 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 626550552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880565400).

626550552 is an abundant number, since it is smaller than the sum of its proper divisors (1134580248).

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

626550552 is a wasteful number, since it uses less digits than its factorization.

626550552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438 (or 3425 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 626550552 is about 25030.9918301293. The cubic root of 626550552 is about 855.6944312133.

The spelling of 626550552 in words is "six hundred twenty-six million, five hundred fifty thousand, five hundred fifty-two".