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55029867 = 3173134807
BaseRepresentation
bin1101000111101…
…1000001101011
310211112210210020
43101323001223
5103041423432
65243251523
71235513634
oct321730153
9124483706
1055029867
1129076832
1216519ba3
13b529969
14744688b
154c7022c
hex347b06b

55029867 has 16 divisors (see below), whose sum is σ = 80197632. Its totient is φ = 33413760.

The previous prime is 55029859. The next prime is 55029881. The reversal of 55029867 is 76892055.

It is not a de Polignac number, because 55029867 - 23 = 55029859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55029817) 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, 15823 + ... + 18984.

It is an arithmetic number, because the mean of its divisors is an integer number (5012352).

Almost surely, 255029867 is an apocalyptic number.

55029867 is a deficient number, since it is larger than the sum of its proper divisors (25167765).

55029867 is a wasteful number, since it uses less digits than its factorization.

55029867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34858.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 55029867 is about 7418.2118465301. The cubic root of 55029867 is about 380.3640716686.

The spelling of 55029867 in words is "fifty-five million, twenty-nine thousand, eight hundred sixty-seven".

Divisors: 1 3 17 31 51 93 527 1581 34807 104421 591719 1079017 1775157 3237051 18343289 55029867