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55412567 = 77916081
BaseRepresentation
bin1101001101100…
…0011101010111
310212021020202022
43103120131113
5103141200232
65255403355
71241666450
oct323303527
9125236668
1055412567
1129308311
121668355b
13b631c02
147506127
154ce8812
hex34d8757

55412567 has 4 divisors (see below), whose sum is σ = 63328656. Its totient is φ = 47496480.

The previous prime is 55412563. The next prime is 55412603. The reversal of 55412567 is 76521455.

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 55412567 - 22 = 55412563 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 (55412561) 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, 3958034 + ... + 3958047.

It is an arithmetic number, because the mean of its divisors is an integer number (15832164).

Almost surely, 255412567 is an apocalyptic number.

55412567 is a deficient number, since it is larger than the sum of its proper divisors (7916089).

55412567 is an equidigital number, since it uses as much as digits as its factorization.

55412567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7916088.

The product of its digits is 42000, while the sum is 35.

The square root of 55412567 is about 7443.9617812023. The cubic root of 55412567 is about 381.2437708559.

The spelling of 55412567 in words is "fifty-five million, four hundred twelve thousand, five hundred sixty-seven".

Divisors: 1 7 7916081 55412567