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55970761 = 711726893
BaseRepresentation
bin1101010110000…
…0101111001001
310220022121110011
43111200233021
5103312031021
65315351521
71246513030
oct325405711
9126277404
1055970761
1129659730
12168b25a1
13b798cc2
14760d717
154da8de1
hex3560bc9

55970761 has 8 divisors (see below), whose sum is σ = 69781824. Its totient is φ = 43613520.

The previous prime is 55970743. The next prime is 55970773. The reversal of 55970761 is 16707955.

55970761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55970761 - 25 = 55970729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55970711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363370 + ... + 363523.

It is an arithmetic number, because the mean of its divisors is an integer number (8722728).

Almost surely, 255970761 is an apocalyptic number.

It is an amenable number.

55970761 is a deficient number, since it is larger than the sum of its proper divisors (13811063).

55970761 is a wasteful number, since it uses less digits than its factorization.

55970761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726911.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 55970761 is about 7481.3609056107. The cubic root of 55970761 is about 382.5196390161.

The spelling of 55970761 in words is "fifty-five million, nine hundred seventy thousand, seven hundred sixty-one".

Divisors: 1 7 11 77 726893 5088251 7995823 55970761