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55360081 = 733123893
BaseRepresentation
bin1101001100101…
…1101001010001
310212011120202101
43103023221101
5103133010311
65254320401
71241360440
oct323135121
9125146671
1055360081
1129281937
1216659101
13b61405a
1474d0d57
154cd7ec1
hex34cba51

55360081 has 8 divisors (see below), whose sum is σ = 63462464. Its totient is φ = 47306160.

The previous prime is 55360069. The next prime is 55360093. The reversal of 55360081 is 18006355.

55360081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55360069) and next prime (55360093).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55360081 - 223 = 46971473 is a prime.

It is a super-2 number, since 2×553600812 = 6129477136653122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55360021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9630 + ... + 14263.

It is an arithmetic number, because the mean of its divisors is an integer number (7932808).

Almost surely, 255360081 is an apocalyptic number.

It is an amenable number.

55360081 is a deficient number, since it is larger than the sum of its proper divisors (8102383).

55360081 is a wasteful number, since it uses less digits than its factorization.

55360081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24231.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 55360081 is about 7440.4355383270. The cubic root of 55360081 is about 381.1233632619.

The spelling of 55360081 in words is "fifty-five million, three hundred sixty thousand, eighty-one".

Divisors: 1 7 331 2317 23893 167251 7908583 55360081