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54089191 = 138350129
BaseRepresentation
bin1100111001010…
…1010111100111
310202210000102101
43032111113213
5102321323231
65211152531
71224515302
oct316252747
9122700371
1054089191
1128594012
1216145747
13b28a750
14727db39
154b36661
hex33955e7

54089191 has 8 divisors (see below), whose sum is σ = 58952880. Its totient is φ = 49325952.

The previous prime is 54089093. The next prime is 54089197. The reversal of 54089191 is 19198045.

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

It is not a de Polignac number, because 54089191 - 215 = 54056423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54089191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54089197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23986 + ... + 26143.

It is an arithmetic number, because the mean of its divisors is an integer number (7369110).

Almost surely, 254089191 is an apocalyptic number.

54089191 is a deficient number, since it is larger than the sum of its proper divisors (4863689).

54089191 is a wasteful number, since it uses less digits than its factorization.

54089191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50225.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 54089191 is about 7354.5354034092. The cubic root of 54089191 is about 378.1842997952.

The spelling of 54089191 in words is "fifty-four million, eighty-nine thousand, one hundred ninety-one".

Divisors: 1 13 83 1079 50129 651677 4160707 54089191