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57005005055 = 575619150769
BaseRepresentation
bin110101000101110000…
…110101100011111111
312110010202222022001112
4311011300311203333
51413221240130210
642104315032235
74055431356005
oct650560654377
9173122868045
1057005005055
11221a2926029
12b06aa3b67b
1354b6108b2b
142a8abd0a75
15173984bd05
hexd45c358ff

57005005055 has 8 divisors (see below), whose sum is σ = 68407364400. Its totient is φ = 45603098496.

The previous prime is 57005005051. The next prime is 57005005067. The reversal of 57005005055 is 55050050075.

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

It is a cyclic number.

It is not a de Polignac number, because 57005005055 - 22 = 57005005051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57005005051) 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, 302711 + ... + 453479.

It is an arithmetic number, because the mean of its divisors is an integer number (8550920550).

Almost surely, 257005005055 is an apocalyptic number.

57005005055 is a deficient number, since it is larger than the sum of its proper divisors (11402359345).

57005005055 is a wasteful number, since it uses less digits than its factorization.

57005005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226393.

The product of its (nonzero) digits is 21875, while the sum is 32.

The spelling of 57005005055 in words is "fifty-seven billion, five million, five thousand, fifty-five".

Divisors: 1 5 75619 150769 378095 753845 11401001011 57005005055