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55607470655 = 5111135189071
BaseRepresentation
bin110011110010011101…
…101010101000111111
312022112101021012021012
4303302131222220333
51402341003030110
641313513025435
74006001462462
oct636235525077
9168471235235
1055607470655
1121645a70820
12a93a9b527b
1353227116b9
1429973612d9
1516a6ce2905
hexcf276aa3f

55607470655 has 16 divisors (see below), whose sum is σ = 72802464768. Its totient is φ = 40437780000.

The previous prime is 55607470651. The next prime is 55607470661.

55607470655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55607470655 - 22 = 55607470651 is a prime.

It is a super-2 number, since 2×556074706552 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55607470651) 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, 579770 + ... + 668840.

It is an arithmetic number, because the mean of its divisors is an integer number (4550154048).

Almost surely, 255607470655 is an apocalyptic number.

55607470655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55607470655 is a deficient number, since it is larger than the sum of its proper divisors (17194994113).

55607470655 is a wasteful number, since it uses less digits than its factorization.

55607470655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100438.

The product of its (nonzero) digits is 4410000, while the sum is 50.

The spelling of 55607470655 in words is "fifty-five billion, six hundred seven million, four hundred seventy thousand, six hundred fifty-five".

Divisors: 1 5 11 55 11351 56755 89071 124861 445355 624305 979781 4898905 1011044921 5055224605 11121494131 55607470655