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55332151361 = 173254832433
BaseRepresentation
bin110011100010000011…
…011010000001000001
312021211012012112012022
4303202003122001001
51401310012320421
641230320011225
73666116345354
oct634203320101
9167735175168
1055332151361
1121514614313
12a882760b15
1352aa675686
14296c97429b
15168ca5b7ab
hexce20da041

55332151361 has 4 divisors (see below), whose sum is σ = 58586983812. Its totient is φ = 52077318912.

The previous prime is 55332151319. The next prime is 55332151403. The reversal of 55332151361 is 16315123355.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55332151319) and next prime (55332151403).

It can be written as a sum of positive squares in 2 ways, for example, as 45345147136 + 9987004225 = 212944^2 + 99935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55332151361 is a prime.

It is a super-2 number, since 2×553321513612 (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 (55332151961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627416200 + ... + 1627416233.

It is an arithmetic number, because the mean of its divisors is an integer number (14646745953).

Almost surely, 255332151361 is an apocalyptic number.

It is an amenable number.

55332151361 is a deficient number, since it is larger than the sum of its proper divisors (3254832451).

55332151361 is a wasteful number, since it uses less digits than its factorization.

55332151361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254832450.

The product of its digits is 40500, while the sum is 35.

The spelling of 55332151361 in words is "fifty-five billion, three hundred thirty-two million, one hundred fifty-one thousand, three hundred sixty-one".

Divisors: 1 17 3254832433 55332151361