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55450525 = 5213612797
BaseRepresentation
bin1101001110000…
…1101110011101
310212100011211011
43103201232131
5103143404100
65300255221
71242215224
oct323415635
9125304734
1055450525
1129333889
12166a1511
13b646280
147515cbb
154d04bba
hex34e1b9d

55450525 has 24 divisors (see below), whose sum is σ = 75288584. Its totient is φ = 40262400.

The previous prime is 55450519. The next prime is 55450559. The reversal of 55450525 is 52505455.

It can be written as a sum of positive squares in 12 ways, for example, as 34409956 + 21040569 = 5866^2 + 4587^2 .

It is not a de Polignac number, because 55450525 - 23 = 55450517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18427 + ... + 21223.

Almost surely, 255450525 is an apocalyptic number.

It is an amenable number.

55450525 is a deficient number, since it is larger than the sum of its proper divisors (19838059).

55450525 is a wasteful number, since it uses less digits than its factorization.

55450525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881 (or 2876 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 55450525 is about 7446.5109279447. The cubic root of 55450525 is about 381.3308025455.

The spelling of 55450525 in words is "fifty-five million, four hundred fifty thousand, five hundred twenty-five".

Divisors: 1 5 13 25 61 65 305 325 793 1525 2797 3965 13985 19825 36361 69925 170617 181805 853085 909025 2218021 4265425 11090105 55450525