552370521 has 16 divisors (see below), whose sum is σ = 758878848. Its totient is φ = 357120000.

The previous prime is 552370519. The next prime is 552370531. The reversal of 552370521 is 125073255.

It is not a de Polignac number, because 552370521 - 2¹ = 552370519 is a prime.

It is a super-2 number, since 2×552370521² = 610226384939622882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (552370531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26521 + ... + 42521.

It is an arithmetic number, because the mean of its divisors is an integer number (47429928).

Almost surely, 2^552370521 is an apocalyptic number.

It is an amenable number.

552370521 is a deficient number, since it is larger than the sum of its proper divisors (206508327).

552370521 is a wasteful number, since it uses less digits than its factorization.

552370521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16352.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 552370521 is about 23502.5641367064. The cubic root of 552370521 is about 820.4966855067.

The spelling of 552370521 in words is "five hundred fifty-two million, three hundred seventy thousand, five hundred twenty-one".