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55570115 = 5371392161
BaseRepresentation
bin1101001111111…
…0111011000011
310212120020212102
43103332323003
5103211220430
65303021015
71243223666
oct323767303
9125506772
1055570115
1129405717
121673a76b
13b688833
1475476dd
154d2a345
hex34feec3

55570115 has 16 divisors (see below), whose sum is σ = 69011040. Its totient is φ = 42923520.

The previous prime is 55570111. The next prime is 55570157. The reversal of 55570115 is 51107555.

It is not a de Polignac number, because 55570115 - 22 = 55570111 is a prime.

It is a super-2 number, since 2×555701152 = 6176075362226450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55570111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24635 + ... + 26795.

It is an arithmetic number, because the mean of its divisors is an integer number (4313190).

Almost surely, 255570115 is an apocalyptic number.

55570115 is a deficient number, since it is larger than the sum of its proper divisors (13440925).

55570115 is a wasteful number, since it uses less digits than its factorization.

55570115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 55570115 is about 7454.5365382430. The cubic root of 55570115 is about 381.6047440799.

The spelling of 55570115 in words is "fifty-five million, five hundred seventy thousand, one hundred fifteen".

Divisors: 1 5 37 139 185 695 2161 5143 10805 25715 79957 300379 399785 1501895 11114023 55570115