1552550660 has 48 divisors (see below), whose sum is σ = 3317986560. Its totient is φ = 610122240.

The previous prime is 1552550639. The next prime is 1552550663. The reversal of 1552550660 is 660552551.

It is a self number, because there is not a number n which added to its sum of digits gives 1552550660.

It is not an unprimeable number, because it can be changed into a prime (1552550663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 331052 + ... + 335708.

It is an arithmetic number, because the mean of its divisors is an integer number (69124720).

Almost surely, 2^1552550660 is an apocalyptic number.

1552550660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552550660 is an abundant number, since it is smaller than the sum of its proper divisors (1765435900).

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

1552550660 is a wasteful number, since it uses less digits than its factorization.

1552550660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956 (or 4954 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 1552550660 is about 39402.4194688600. The cubic root of 1552550660 is about 1157.9289890165.

The spelling of 1552550660 in words is "one billion, five hundred fifty-two million, five hundred fifty thousand, six hundred sixty".