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55422205253 = 421131644193
BaseRepresentation
bin110011100111011010…
…111011110101000101
312022001110122201220122
4303213122323311011
51402001041032003
641243254111325
74001261654222
oct634732736505
9168043581818
1055422205253
1121560432118
12a8a894b545
1352c3215cbc
14297a8d6949
1516958e9238
hexce76bbd45

55422205253 has 4 divisors (see below), whose sum is σ = 55553849868. Its totient is φ = 55290560640.

The previous prime is 55422205219. The next prime is 55422205273. The reversal of 55422205253 is 35250222455.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13492680964 + 41929524289 = 116158^2 + 204767^2 .

It is a cyclic number.

It is not a de Polignac number, because 55422205253 - 232 = 51127237957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55422205213) 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, 65821676 + ... + 65822517.

It is an arithmetic number, because the mean of its divisors is an integer number (13888462467).

Almost surely, 255422205253 is an apocalyptic number.

It is an amenable number.

55422205253 is a deficient number, since it is larger than the sum of its proper divisors (131644615).

55422205253 is a wasteful number, since it uses less digits than its factorization.

55422205253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131644614.

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 55422205253 in words is "fifty-five billion, four hundred twenty-two million, two hundred five thousand, two hundred fifty-three".

Divisors: 1 421 131644193 55422205253