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55512663 = 324176781
BaseRepresentation
bin1101001111000…
…0111001010111
310212110100001120
43103300321113
5103202401123
65301455023
71242564333
oct323607127
9125410046
1055512663
1129376538
1216711473
13b66863b
1475307c3
154d182e3
hex34f0e57

55512663 has 8 divisors (see below), whose sum is σ = 74324976. Its totient is φ = 36854400.

The previous prime is 55512607. The next prime is 55512673. The reversal of 55512663 is 36621555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55512663 - 29 = 55512151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55512673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37668 + ... + 39113.

It is an arithmetic number, because the mean of its divisors is an integer number (9290622).

Almost surely, 255512663 is an apocalyptic number.

55512663 is a deficient number, since it is larger than the sum of its proper divisors (18812313).

55512663 is a wasteful number, since it uses less digits than its factorization.

55512663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77025.

The product of its digits is 27000, while the sum is 33.

The square root of 55512663 is about 7450.6820493160. The cubic root of 55512663 is about 381.4731894630.

The spelling of 55512663 in words is "fifty-five million, five hundred twelve thousand, six hundred sixty-three".

Divisors: 1 3 241 723 76781 230343 18504221 55512663