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55551025 = 5221110531
BaseRepresentation
bin1101001111101…
…0010000110001
310212112021200101
43103322100301
5103210113100
65302352401
71243114225
oct323722061
9125467611
1055551025
11293a2342
121672b701
13b67cc3a
147540785
154d2486a
hex34fa431

55551025 has 12 divisors (see below), whose sum is σ = 69216304. Its totient is φ = 44226000.

The previous prime is 55551017. The next prime is 55551043. The reversal of 55551025 is 52015555.

It is a happy number.

55551025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55551025 - 23 = 55551017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55550984 and 55551002.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10 + ... + 10540.

Almost surely, 255551025 is an apocalyptic number.

It is an amenable number.

55551025 is a deficient number, since it is larger than the sum of its proper divisors (13665279).

55551025 is a wasteful number, since it uses less digits than its factorization.

55551025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752 (or 10747 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 55551025 is about 7453.2559998970. The cubic root of 55551025 is about 381.5610415195.

The spelling of 55551025 in words is "fifty-five million, five hundred fifty-one thousand, twenty-five".

Divisors: 1 5 25 211 1055 5275 10531 52655 263275 2222041 11110205 55551025