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55430503554131 = 57197076188361
BaseRepresentation
bin11001001101001111010110…
…11110010101110001010011
321021021002211002122212022222
430212213223132111301103
524231133132402213011
6313520231035051255
714450502360132056
oct1446475336256123
9237232732585288
1055430503554131
1116730a43205712
1262729775a0b2b
1324c10c6918394
14d98bca3daa9d
15661d1bbbeddb
hex3269eb795c53

55430503554131 has 4 divisors (see below), whose sum is σ = 55527579743064. Its totient is φ = 55333427365200.

The previous prime is 55430503554121. The next prime is 55430503554133. The reversal of 55430503554131 is 13145530503455.

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 55430503554131 - 26 = 55430503554067 is a prime.

It is a super-2 number, since 2×554305035541312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55430503554133) 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, 48538093610 + ... + 48538094751.

It is an arithmetic number, because the mean of its divisors is an integer number (13881894935766).

Almost surely, 255430503554131 is an apocalyptic number.

55430503554131 is a deficient number, since it is larger than the sum of its proper divisors (97076188933).

55430503554131 is an equidigital number, since it uses as much as digits as its factorization.

55430503554131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97076188932.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 55430503554131 in words is "fifty-five trillion, four hundred thirty billion, five hundred three million, five hundred fifty-four thousand, one hundred thirty-one".

Divisors: 1 571 97076188361 55430503554131