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54055597 = 173179741
BaseRepresentation
bin1100111000110…
…1001010101101
310202201022100011
43032031022231
5102314234342
65210333221
71224315331
oct316151255
9122638304
1054055597
1128570852
121612a211
13b27837b
1472717c1
154b2b717
hex338d2ad

54055597 has 4 divisors (see below), whose sum is σ = 57235356. Its totient is φ = 50875840.

The previous prime is 54055591. The next prime is 54055613. The reversal of 54055597 is 79555045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46321636 + 7733961 = 6806^2 + 2781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54055597 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54055591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589854 + ... + 1589887.

It is an arithmetic number, because the mean of its divisors is an integer number (14308839).

Almost surely, 254055597 is an apocalyptic number.

It is an amenable number.

54055597 is a deficient number, since it is larger than the sum of its proper divisors (3179759).

54055597 is a wasteful number, since it uses less digits than its factorization.

54055597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179758.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 54055597 is about 7352.2511518582. The cubic root of 54055597 is about 378.1059886806.

The spelling of 54055597 in words is "fifty-four million, fifty-five thousand, five hundred ninety-seven".

Divisors: 1 17 3179741 54055597