552535551 has 12 divisors (see below), whose sum is σ = 801595080. Its totient is φ = 366747120.

The previous prime is 552535517. The next prime is 552535583. The reversal of 552535551 is 155535255.

552535551 is a `hidden beast` number, since 5 + 52 + 53 + 5 + 551 = 666.

It is not a de Polignac number, because 552535551 - 2²² = 548341247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552535651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131985 + ... + 136106.

It is an arithmetic number, because the mean of its divisors is an integer number (66799590).

Almost surely, 2^552535551 is an apocalyptic number.

552535551 is a deficient number, since it is larger than the sum of its proper divisors (249059529).

552535551 is a wasteful number, since it uses less digits than its factorization.

552535551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268326 (or 268323 counting only the distinct ones).

The product of its digits is 93750, while the sum is 36.

The square root of 552535551 is about 23506.0747680254. The cubic root of 552535551 is about 820.5783897735.

The spelling of 552535551 in words is "five hundred fifty-two million, five hundred thirty-five thousand, five hundred fifty-one".