522055649 has 16 divisors (see below), whose sum is σ = 541863168. Its totient is φ = 502682112.

The previous prime is 522055643. The next prime is 522055661. The reversal of 522055649 is 946550225.

It is a cyclic number.

It is not a de Polignac number, because 522055649 - 2¹⁶ = 521990113 is a prime.

It is a super-2 number, since 2×522055649² = 545084201305622402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522055643) 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, 1399427 + ... + 1399799.

It is an arithmetic number, because the mean of its divisors is an integer number (33866448).

Almost surely, 2^522055649 is an apocalyptic number.

It is an amenable number.

522055649 is a deficient number, since it is larger than the sum of its proper divisors (19807519).

522055649 is a wasteful number, since it uses less digits than its factorization.

522055649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 522055649 is about 22848.5371304160. The cubic root of 522055649 is about 805.2033996012.

The spelling of 522055649 in words is "five hundred twenty-two million, fifty-five thousand, six hundred forty-nine".