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55552525 = 5272101449
BaseRepresentation
bin1101001111101…
…0101000001101
310212112100201221
43103322220031
5103210140100
65302403341
71243121500
oct323725015
9125470657
1055552525
11293a3486
1216730551
13b680822
147541137
154d2501a
hex34faa0d

55552525 has 36 divisors (see below), whose sum is σ = 81105300. Its totient is φ = 37632000.

The previous prime is 55552493. The next prime is 55552531. The reversal of 55552525 is 52525555.

It can be written as a sum of positive squares in 6 ways, for example, as 2350089 + 53202436 = 1533^2 + 7294^2 .

It is not a de Polignac number, because 55552525 - 25 = 55552493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 123501 + ... + 123949.

It is an arithmetic number, because the mean of its divisors is an integer number (2252925).

Almost surely, 255552525 is an apocalyptic number.

It is an amenable number.

55552525 is a deficient number, since it is larger than the sum of its proper divisors (25552775).

55552525 is a wasteful number, since it uses less digits than its factorization.

55552525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 562 counting only the distinct ones).

The product of its digits is 62500, while the sum is 34.

The square root of 55552525 is about 7453.3566263798. The cubic root of 55552525 is about 381.5644758181.

The spelling of 55552525 in words is "fifty-five million, five hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 49 101 175 245 449 505 707 1225 2245 2525 3143 3535 4949 11225 15715 17675 22001 24745 45349 78575 110005 123725 226745 317443 550025 1133725 1587215 2222101 7936075 11110505 55552525