Search a number
-
+
57255656661725 = 5219120538224551
BaseRepresentation
bin11010000010010110111110…
…00100111010001011011101
321111201120212011020021202012
431001023133010322023131
530001034041101133400
6321434515140241005
715026404355436254
oct1501133704721335
9244646764207665
1057255656661725
1117274a95596325
1265086436a0165
1325c42540132b2
14101d28d60979b
1569453ea90d35
hex3412df13a2dd

57255656661725 has 12 divisors (see below), whose sum is σ = 74733699222240. Its totient is φ = 43393760838000.

The previous prime is 57255656661629. The next prime is 57255656661781. The reversal of 57255656661725 is 52716665655275.

It is a happy number.

It is not a de Polignac number, because 57255656661725 - 236 = 57186937184989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60269111801 + ... + 60269112750.

It is an arithmetic number, because the mean of its divisors is an integer number (6227808268520).

Almost surely, 257255656661725 is an apocalyptic number.

It is an amenable number.

57255656661725 is a deficient number, since it is larger than the sum of its proper divisors (17478042560515).

57255656661725 is a wasteful number, since it uses less digits than its factorization.

57255656661725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120538224580 (or 120538224575 counting only the distinct ones).

The product of its digits is 793800000, while the sum is 68.

The spelling of 57255656661725 in words is "fifty-seven trillion, two hundred fifty-five billion, six hundred fifty-six million, six hundred sixty-one thousand, seven hundred twenty-five".

Divisors: 1 5 19 25 95 475 120538224551 602691122755 2290226266469 3013455613775 11451131332345 57255656661725