552721057 has 8 divisors (see below), whose sum is σ = 632508800. Its totient is φ = 473140224.

The previous prime is 552721049. The next prime is 552721087. The reversal of 552721057 is 750127255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 552721057 - 2³ = 552721049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (552721007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45957 + ... + 56722.

It is an arithmetic number, because the mean of its divisors is an integer number (79063600).

Almost surely, 2^552721057 is an apocalyptic number.

It is an amenable number.

552721057 is a deficient number, since it is larger than the sum of its proper divisors (79787743).

552721057 is a wasteful number, since it uses less digits than its factorization.

552721057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103455.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 552721057 is about 23510.0203530324. The cubic root of 552721057 is about 820.6702120295.

The spelling of 552721057 in words is "five hundred fifty-two million, seven hundred twenty-one thousand, fifty-seven".