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55010425 = 5218112157
BaseRepresentation
bin1101000111011…
…0010001111001
310211111211010011
43101312101321
5103040313200
65243021521
71235403151
oct321662171
9124454104
1055010425
1129063168
121650a8a1
13b520b62
14743d761
154c695ba
hex3476479

55010425 has 12 divisors (see below), whose sum is σ = 68595436. Its totient is φ = 43761600.

The previous prime is 55010393. The next prime is 55010429. The reversal of 55010425 is 52401055.

It can be written as a sum of positive squares in 6 ways, for example, as 26409321 + 28601104 = 5139^2 + 5348^2 .

It is not a de Polignac number, because 55010425 - 25 = 55010393 is a prime.

It is a super-2 number, since 2×550104252 = 6052293717361250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55010396 and 55010405.

It is not an unprimeable number, because it can be changed into a prime (55010429) 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, 1554 + ... + 10603.

Almost surely, 255010425 is an apocalyptic number.

It is an amenable number.

55010425 is a deficient number, since it is larger than the sum of its proper divisors (13585011).

55010425 is a wasteful number, since it uses less digits than its factorization.

55010425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12348 (or 12343 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 55010425 is about 7416.9013071498. The cubic root of 55010425 is about 380.3192723033.

The spelling of 55010425 in words is "fifty-five million, ten thousand, four hundred twenty-five".

Divisors: 1 5 25 181 905 4525 12157 60785 303925 2200417 11002085 55010425