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54420522213 = 3171399762737
BaseRepresentation
bin110010101011101101…
…110100010011100101
312012110122210222002210
4302223231310103211
51342423123202323
641000032354033
73634406543421
oct625355642345
9165418728083
1054420522213
1121096a698a2
12a6693a5919
135193839a45
1428c386bb81
1516379d4293
hexcabb744e5

54420522213 has 16 divisors (see below), whose sum is σ = 76883990400. Its totient is φ = 34121757696.

The previous prime is 54420522181. The next prime is 54420522217. The reversal of 54420522213 is 31222502445.

It is not a de Polignac number, because 54420522213 - 25 = 54420522181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54420522217) 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, 310020 + ... + 452717.

It is an arithmetic number, because the mean of its divisors is an integer number (4805249400).

Almost surely, 254420522213 is an apocalyptic number.

It is an amenable number.

54420522213 is a deficient number, since it is larger than the sum of its proper divisors (22463468187).

54420522213 is a wasteful number, since it uses less digits than its factorization.

54420522213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764156.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 54420522213 in words is "fifty-four billion, four hundred twenty million, five hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 3 17 51 1399 4197 23783 71349 762737 2288211 12966529 38899587 1067069063 3201207189 18140174071 54420522213