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52055025 = 3521163097
BaseRepresentation
bin1100011010010…
…0101111110001
310121221200001220
43012210233301
5101311230100
65055415253
71201313631
oct306445761
9117850056
1052055025
1127424790
1215524529
13aa278b9
146cb06c1
154883aa0
hex31a4bf1

52055025 has 24 divisors (see below), whose sum is σ = 93889824. Its totient is φ = 25238400.

The previous prime is 52055023. The next prime is 52055033.

52055025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52055025 - 21 = 52055023 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52054986 and 52055004.

It is not an unprimeable number, because it can be changed into a prime (52055023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30724 + ... + 32373.

It is an arithmetic number, because the mean of its divisors is an integer number (3912076).

Almost surely, 252055025 is an apocalyptic number.

52055025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52055025 is a deficient number, since it is larger than the sum of its proper divisors (41834799).

52055025 is a wasteful number, since it uses less digits than its factorization.

52055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63121 (or 63116 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 52055025 is about 7214.9168394376. The cubic root of 52055025 is about 373.3827240317.

The spelling of 52055025 in words is "fifty-two million, fifty-five thousand, twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 63097 189291 315485 694067 946455 1577425 2082201 3470335 4732275 10411005 17351675 52055025