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57902527457 is a prime number
BaseRepresentation
bin110101111011010000…
…100111001111100001
312112110022211011022222
4311323100213033201
51422041021334312
642333340040425
74116610235255
oct657320471741
9175408734288
1057902527457
1122613515985
12b27b533115
1355ca045888
142b340a4265
15178d539672
hexd7b4273e1

57902527457 has 2 divisors, whose sum is σ = 57902527458. Its totient is φ = 57902527456.

The previous prime is 57902527387. The next prime is 57902527471. The reversal of 57902527457 is 75472520975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57542894161 + 359633296 = 239881^2 + 18964^2 .

It is a cyclic number.

It is not a de Polignac number, because 57902527457 - 212 = 57902523361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57902527399 and 57902527408.

It is not a weakly prime, because it can be changed into another prime (57902527057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28951263728 + 28951263729.

It is an arithmetic number, because the mean of its divisors is an integer number (28951263729).

Almost surely, 257902527457 is an apocalyptic number.

It is an amenable number.

57902527457 is a deficient number, since it is larger than the sum of its proper divisors (1).

57902527457 is an equidigital number, since it uses as much as digits as its factorization.

57902527457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6174000, while the sum is 53.

The spelling of 57902527457 in words is "fifty-seven billion, nine hundred two million, five hundred twenty-seven thousand, four hundred fifty-seven".