552656403 has 24 divisors (see below), whose sum is σ = 871809120. Its totient is φ = 335301120.

The previous prime is 552656389. The next prime is 552656407. The reversal of 552656403 is 304656255.

It is a happy number.

552656403 is a `hidden beast` number, since 5 + 5 + 2 + 6 + 5 + 640 + 3 = 666.

It is not a de Polignac number, because 552656403 - 2⁵ = 552656371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (552656407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24958 + ... + 41571.

It is an arithmetic number, because the mean of its divisors is an integer number (36325380).

Almost surely, 2^552656403 is an apocalyptic number.

552656403 is a deficient number, since it is larger than the sum of its proper divisors (319152717).

552656403 is a wasteful number, since it uses less digits than its factorization.

552656403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66619 (or 66616 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 552656403 is about 23508.6452821085. The cubic root of 552656403 is about 820.6382117524.

The spelling of 552656403 in words is "five hundred fifty-two million, six hundred fifty-six thousand, four hundred three".