552120491 has 4 divisors (see below), whose sum is σ = 594591312. Its totient is φ = 509649672.

The previous prime is 552120469. The next prime is 552120511. The reversal of 552120491 is 194021255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 552120491 - 2⁶ = 552120427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552120091) 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 3 ways as a sum of consecutive naturals, for example, 21235391 + ... + 21235416.

It is an arithmetic number, because the mean of its divisors is an integer number (148647828).

Almost surely, 2^552120491 is an apocalyptic number.

552120491 is a deficient number, since it is larger than the sum of its proper divisors (42470821).

552120491 is a wasteful number, since it uses less digits than its factorization.

552120491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42470820.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 552120491 is about 23497.2443277930. The cubic root of 552120491 is about 820.3728678036.

The spelling of 552120491 in words is "five hundred fifty-two million, one hundred twenty thousand, four hundred ninety-one".