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55451002351 = 58079548993
BaseRepresentation
bin110011101001001000…
…110010010111101111
312022010110211210002211
4303221020302113233
51402030424033401
641250203231251
74002061512613
oct635110622757
9168113753084
1055451002351
1121575710878
12a8b6518527
1352c91895c4
142980671343
1516981d6951
hexce92325ef

55451002351 has 4 divisors (see below), whose sum is σ = 55460557152. Its totient is φ = 55441447552.

The previous prime is 55451002309. The next prime is 55451002423. The reversal of 55451002351 is 15320015455.

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

It is a cyclic number.

It is not a de Polignac number, because 55451002351 - 27 = 55451002223 is a prime.

It is a super-5 number, since 5×554510023515 (a number of 55 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55451002301) 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, 4768690 + ... + 4780303.

It is an arithmetic number, because the mean of its divisors is an integer number (13865139288).

Almost surely, 255451002351 is an apocalyptic number.

55451002351 is a deficient number, since it is larger than the sum of its proper divisors (9554801).

55451002351 is an equidigital number, since it uses as much as digits as its factorization.

55451002351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554800.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 55451002351 in words is "fifty-five billion, four hundred fifty-one million, two thousand, three hundred fifty-one".

Divisors: 1 5807 9548993 55451002351