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550774025 = 5222030961
BaseRepresentation
bin100000110101000…
…010010100001001
31102101101012220222
4200311002110021
52111444232100
6130352555425
716435334114
oct4065022411
91371335828
10550774025
1126299674a
12134552b75
138a1518b9
145321157b
1533547485
hex20d42509

550774025 has 6 divisors (see below), whose sum is σ = 682959822. Its totient is φ = 440619200.

The previous prime is 550773989. The next prime is 550774067. The reversal of 550774025 is 520477055.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 108597241 + 442176784 = 10421^2 + 21028^2 .

It is not a de Polignac number, because 550774025 - 218 = 550511881 is a prime.

It is a super-2 number, since 2×5507740252 = 606704053229401250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11015456 + ... + 11015505.

It is an arithmetic number, because the mean of its divisors is an integer number (113826637).

Almost surely, 2550774025 is an apocalyptic number.

It is an amenable number.

550774025 is a deficient number, since it is larger than the sum of its proper divisors (132185797).

550774025 is a wasteful number, since it uses less digits than its factorization.

550774025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22030971 (or 22030966 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 550774025 is about 23468.5752656611. The cubic root of 550774025 is about 819.7054390149.

The spelling of 550774025 in words is "five hundred fifty million, seven hundred seventy-four thousand, twenty-five".

Divisors: 1 5 25 22030961 110154805 550774025