648822552 has 32 divisors (see below), whose sum is σ = 1853779200. Its totient is φ = 185377824.

The previous prime is 648822541. The next prime is 648822563. The reversal of 648822552 is 255228846.

648822552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (648822541) and next prime (648822563).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930852 + ... + 1931187.

It is an arithmetic number, because the mean of its divisors is an integer number (57930600).

Almost surely, 2^648822552 is an apocalyptic number.

It is an amenable number.

648822552 is an abundant number, since it is smaller than the sum of its proper divisors (1204956648).

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

648822552 is a wasteful number, since it uses less digits than its factorization.

648822552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862055 (or 3862051 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 648822552 is about 25471.9954459795. The cubic root of 648822552 is about 865.7157371413.

The spelling of 648822552 in words is "six hundred forty-eight million, eight hundred twenty-two thousand, five hundred fifty-two".