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553970077 = 589793941
BaseRepresentation
bin100001000001001…
…110100110011101
31102121101121002021
4201001032212131
52113304020302
6130545300141
716504445053
oct4101164635
91377347067
10553970077
11264779a11
12135634651
138aa0055b
14538041d3
1533979437
hex2104e99d

553970077 has 4 divisors (see below), whose sum is σ = 554069916. Its totient is φ = 553870240.

The previous prime is 553970069. The next prime is 553970113. The reversal of 553970077 is 770079355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770079355 = 5154015871.

It can be written as a sum of positive squares in 2 ways, for example, as 340254916 + 213715161 = 18446^2 + 14619^2 .

It is a cyclic number.

It is not a de Polignac number, because 553970077 - 23 = 553970069 is a prime.

It is a super-2 number, since 2×5539700772 = 613765692422771858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553977077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41074 + ... + 52867.

It is an arithmetic number, because the mean of its divisors is an integer number (138517479).

Almost surely, 2553970077 is an apocalyptic number.

It is an amenable number.

553970077 is a deficient number, since it is larger than the sum of its proper divisors (99839).

553970077 is an equidigital number, since it uses as much as digits as its factorization.

553970077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99838.

The product of its (nonzero) digits is 231525, while the sum is 43.

The square root of 553970077 is about 23536.5689300713. The cubic root of 553970077 is about 821.2879210597.

The spelling of 553970077 in words is "five hundred fifty-three million, nine hundred seventy thousand, seventy-seven".

Divisors: 1 5897 93941 553970077