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55552995 = 3251234511
BaseRepresentation
bin1101001111101…
…0101111100011
310212112101101100
43103322233203
5103210143440
65302405443
71243123041
oct323725743
9125471340
1055552995
11293a3873
1216730883
13b680ac4
147541391
154d25230
hex34fabe3

55552995 has 12 divisors (see below), whose sum is σ = 96291936. Its totient is φ = 29628240.

The previous prime is 55552993. The next prime is 55553053. The reversal of 55552995 is 59925555.

It is a happy number.

55552995 is a `hidden beast` number, since 5 + 5 + 552 + 9 + 95 = 666.

It is not a de Polignac number, because 55552995 - 21 = 55552993 is a prime.

It is a super-2 number, since 2×555529952 = 6172270506940050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1234511 = 55552995 / (5 + 5 + 5 + 5 + 2 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 55552995.

It is not an unprimeable number, because it can be changed into a prime (55552993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617211 + ... + 617300.

It is an arithmetic number, because the mean of its divisors is an integer number (8024328).

Almost surely, 255552995 is an apocalyptic number.

55552995 is a deficient number, since it is larger than the sum of its proper divisors (40738941).

55552995 is a wasteful number, since it uses less digits than its factorization.

55552995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234522 (or 1234519 counting only the distinct ones).

The product of its digits is 506250, while the sum is 45.

The square root of 55552995 is about 7453.3881557316. The cubic root of 55552995 is about 381.5655518856.

The spelling of 55552995 in words is "fifty-five million, five hundred fifty-two thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 45 1234511 3703533 6172555 11110599 18517665 55552995