2152420552 has 16 divisors (see below), whose sum is σ = 4037253660. Its totient is φ = 1075819584.

The previous prime is 2152420537. The next prime is 2152420553. The reversal of 2152420552 is 2550242512.

It can be written as a sum of positive squares in 2 ways, for example, as 1928439396 + 223981156 = 43914^2 + 14966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2152420552.

It is not an unprimeable number, because it can be changed into a prime (2152420553) 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 3 ways as a sum of consecutive naturals, for example, 24723 + ... + 70114.

Almost surely, 2^2152420552 is an apocalyptic number.

It is an amenable number.

2152420552 is a deficient number, since it is larger than the sum of its proper divisors (1884833108).

2152420552 is a wasteful number, since it uses less digits than its factorization.

2152420552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97680 (or 97676 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2152420552 is about 46394.1866185840. The cubic root of 2152420552 is about 1291.1470581831.

The spelling of 2152420552 in words is "two billion, one hundred fifty-two million, four hundred twenty thousand, five hundred fifty-two".