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55010070257 = 167413328589
BaseRepresentation
bin110011001110110110…
…110000111011110001
312020222202011002222112
4303032312300323301
51400130034222012
641134332415105
73655125611402
oct631666607361
9166882132875
1055010070257
1121369828a8a
12a7b2917495
135258a1613c
14293bc939a9
15166e63a122
hexccedb0ef1

55010070257 has 4 divisors (see below), whose sum is σ = 55010566260. Its totient is φ = 55009574256.

The previous prime is 55010070233. The next prime is 55010070259. The reversal of 55010070257 is 75207001055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 27081310096 + 27928760161 = 164564^2 + 167119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55010070257 is a prime.

It is a super-2 number, since 2×550100702572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55010070259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3119 + ... + 331707.

It is an arithmetic number, because the mean of its divisors is an integer number (13752641565).

Almost surely, 255010070257 is an apocalyptic number.

It is an amenable number.

55010070257 is a deficient number, since it is larger than the sum of its proper divisors (496003).

55010070257 is a wasteful number, since it uses less digits than its factorization.

55010070257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496002.

The product of its (nonzero) digits is 12250, while the sum is 32.

The spelling of 55010070257 in words is "fifty-five billion, ten million, seventy thousand, two hundred fifty-seven".

Divisors: 1 167413 328589 55010070257