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55694077 = 70978553
BaseRepresentation
bin1101010001110…
…1001011111101
310212210112220121
43110131023331
5103224202302
65305414541
71244251255
oct324351375
9125715817
1055694077
112948a86a
121679a451
13b70009a
14757a965
154d51e37
hex351d2fd

55694077 has 4 divisors (see below), whose sum is σ = 55773340. Its totient is φ = 55614816.

The previous prime is 55694059. The next prime is 55694081. The reversal of 55694077 is 77049655.

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 6610041 + 49084036 = 2571^2 + 7006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55694077 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 (55694087) 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, 38568 + ... + 39985.

It is an arithmetic number, because the mean of its divisors is an integer number (13943335).

Almost surely, 255694077 is an apocalyptic number.

It is an amenable number.

55694077 is a deficient number, since it is larger than the sum of its proper divisors (79263).

55694077 is an equidigital number, since it uses as much as digits as its factorization.

55694077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79262.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 55694077 is about 7462.8464408696. The cubic root of 55694077 is about 381.8882859097. Note that the first 3 decimals are identical.

The spelling of 55694077 in words is "fifty-five million, six hundred ninety-four thousand, seventy-seven".

Divisors: 1 709 78553 55694077