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54075857045 = 5773137154487
BaseRepresentation
bin110010010111001011…
…000001100010010101
312011120122021011101012
4302113023001202111
51341221404411140
640501521142005
73623023125620
oct622713014225
9164518234335
1054075857045
1120a2a458851
12a591a8a905
13513a300b62
14288db8cdb7
151617601265
hexc972c1895

54075857045 has 32 divisors (see below), whose sum is σ = 75726309888. Its totient is φ = 36305445888.

The previous prime is 54075856997. The next prime is 54075857047.

54075857045 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 54075857045 - 28 = 54075856789 is a prime.

It is a super-3 number, since 3×540758570453 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54075856984 and 54075857002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54075857047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272792 + ... + 427278.

It is an arithmetic number, because the mean of its divisors is an integer number (2366447184).

Almost surely, 254075857045 is an apocalyptic number.

It is an amenable number.

54075857045 is a deficient number, since it is larger than the sum of its proper divisors (21650452843).

54075857045 is a wasteful number, since it uses less digits than its factorization.

54075857045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154709.

The product of its (nonzero) digits is 3920000, while the sum is 50.

The spelling of 54075857045 in words is "fifty-four billion, seventy-five million, eight hundred fifty-seven thousand, forty-five".

Divisors: 1 5 7 35 73 137 365 511 685 959 2555 4795 10001 50005 70007 154487 350035 772435 1081409 5407045 11277551 21164719 56387755 78942857 105823595 148153033 394714285 740765165 1545024487 7725122435 10815171409 54075857045