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55292029 = 134253233
BaseRepresentation
bin1101001011101…
…1000001111101
310212001010101221
43102323001331
5103123321104
65253033341
71240655152
oct322730175
9125033357
1055292029
11292357a1
1216625851
13b5bc0a0
1474b4229
154cc2c54
hex34bb07d

55292029 has 4 divisors (see below), whose sum is σ = 59545276. Its totient is φ = 51038784.

The previous prime is 55291997. The next prime is 55292053. The reversal of 55292029 is 92029255.

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 19316025 + 35976004 = 4395^2 + 5998^2 .

It is a cyclic number.

It is not a de Polignac number, because 55292029 - 25 = 55291997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55291985 and 55292003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55292129) 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, 2126604 + ... + 2126629.

It is an arithmetic number, because the mean of its divisors is an integer number (14886319).

Almost surely, 255292029 is an apocalyptic number.

It is an amenable number.

55292029 is a deficient number, since it is larger than the sum of its proper divisors (4253247).

55292029 is a wasteful number, since it uses less digits than its factorization.

55292029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253246.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 55292029 is about 7435.8610126871. The cubic root of 55292029 is about 380.9671325064.

The spelling of 55292029 in words is "fifty-five million, two hundred ninety-two thousand, twenty-nine".

Divisors: 1 13 4253233 55292029