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552555557 = 4871134611
BaseRepresentation
bin100000111011110…
…101010000100101
31102111201201201122
4200323311100211
52112423234212
6130455103325
716456434101
oct4073652045
91374651648
10552555557
112639a3194
12135071b45
138a626768
1453556901
153379a272
hex20ef5425

552555557 has 4 divisors (see below), whose sum is σ = 553690656. Its totient is φ = 551420460.

The previous prime is 552555529. The next prime is 552555559. The reversal of 552555557 is 755555255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 552555557 - 210 = 552554533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552555559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566819 + ... + 567792.

It is an arithmetic number, because the mean of its divisors is an integer number (138422664).

Almost surely, 2552555557 is an apocalyptic number.

It is an amenable number.

552555557 is a deficient number, since it is larger than the sum of its proper divisors (1135099).

552555557 is a wasteful number, since it uses less digits than its factorization.

552555557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135098.

The product of its digits is 1093750, while the sum is 44.

The square root of 552555557 is about 23506.5003137430. The cubic root of 552555557 is about 820.5882933855.

The spelling of 552555557 in words is "five hundred fifty-two million, five hundred fifty-five thousand, five hundred fifty-seven".

Divisors: 1 487 1134611 552555557