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54075005 = 5311791949
BaseRepresentation
bin1100111001000…
…1111001111101
310202202021221222
43032101321331
5102320400010
65211003125
71224426035
oct316217175
9122667858
1054075005
1128584396
12161394a5
13b28415a
1472788c5
154b32355
hex3391e7d

54075005 has 16 divisors (see below), whose sum is σ = 67392000. Its totient is φ = 41609280.

The previous prime is 54074983. The next prime is 54075013. The reversal of 54075005 is 50057045.

It is not a de Polignac number, because 54075005 - 214 = 54058621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26771 + ... + 28719.

It is an arithmetic number, because the mean of its divisors is an integer number (4212000).

Almost surely, 254075005 is an apocalyptic number.

It is an amenable number.

54075005 is a deficient number, since it is larger than the sum of its proper divisors (13316995).

54075005 is a wasteful number, since it uses less digits than its factorization.

54075005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 54075005 is about 7353.5709012697. The cubic root of 54075005 is about 378.1512347073.

The spelling of 54075005 in words is "fifty-four million, seventy-five thousand, five".

Divisors: 1 5 31 155 179 895 1949 5549 9745 27745 60419 302095 348871 1744355 10815001 54075005