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55349007 = 3710325589
BaseRepresentation
bin1101001100100…
…0111100001111
310212011000120020
43103020330033
5103132132012
65254153223
71241313240
oct323107417
9125130506
1055349007
112927458a
1216652813
13b60bcbc
1474cacc7
154cd4a8c
hex34c8f0f

55349007 has 16 divisors (see below), whose sum is σ = 85163520. Its totient is φ = 31319712.

The previous prime is 55348999. The next prime is 55349009. The reversal of 55349007 is 70094355.

It is not a de Polignac number, because 55349007 - 23 = 55348999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55349009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10632 + ... + 14957.

It is an arithmetic number, because the mean of its divisors is an integer number (5322720).

Almost surely, 255349007 is an apocalyptic number.

55349007 is a deficient number, since it is larger than the sum of its proper divisors (29814513).

55349007 is a wasteful number, since it uses less digits than its factorization.

55349007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25702.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 55349007 is about 7439.6913242419. The cubic root of 55349007 is about 381.0979487906.

It can be divided in two parts, 5534 and 9007, that added together give a palindrome (14541).

The spelling of 55349007 in words is "fifty-five million, three hundred forty-nine thousand, seven".

Divisors: 1 3 7 21 103 309 721 2163 25589 76767 179123 537369 2635667 7907001 18449669 55349007