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552979057 = 2811967897
BaseRepresentation
bin100000111101011…
…100101001110001
31102112112020122211
4200331130221301
52113030312212
6130512132121
716463146561
oct4075345161
91375466584
10552979057
11264162394
12135237041
138a744457
1453626da1
15338309a7
hex20f5ca71

552979057 has 4 divisors (see below), whose sum is σ = 554947236. Its totient is φ = 551010880.

The previous prime is 552979003. The next prime is 552979067. The reversal of 552979057 is 750979255.

552979057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 440958001 + 112021056 = 20999^2 + 10584^2 .

It is a cyclic number.

It is not a de Polignac number, because 552979057 - 27 = 552978929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552979057.

It is not an unprimeable number, because it can be changed into a prime (552979067) 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, 983668 + ... + 984229.

It is an arithmetic number, because the mean of its divisors is an integer number (138736809).

Almost surely, 2552979057 is an apocalyptic number.

It is an amenable number.

552979057 is a deficient number, since it is larger than the sum of its proper divisors (1968179).

552979057 is a wasteful number, since it uses less digits than its factorization.

552979057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968178.

The product of its (nonzero) digits is 992250, while the sum is 49.

The square root of 552979057 is about 23515.5067349186. The cubic root of 552979057 is about 820.7978834087.

The spelling of 552979057 in words is "five hundred fifty-two million, nine hundred seventy-nine thousand, fifty-seven".

Divisors: 1 281 1967897 552979057