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54945677 = 107513511
BaseRepresentation
bin1101000110011…
…0011110001101
310211101112022002
43101212132031
5103031230202
65241402045
71235013323
oct321463615
9124345262
1054945677
1129019556
1216499325
13b4ca547
147423d13
154c55302
hex346678d

54945677 has 4 divisors (see below), whose sum is σ = 55459296. Its totient is φ = 54432060.

The previous prime is 54945647. The next prime is 54945707. The reversal of 54945677 is 77654945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77654945 = 515530989.

It is an interprime number because it is at equal distance from previous prime (54945647) and next prime (54945707).

It is a cyclic number.

It is not a de Polignac number, because 54945677 - 212 = 54941581 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54945607) 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, 256649 + ... + 256862.

It is an arithmetic number, because the mean of its divisors is an integer number (13864824).

Almost surely, 254945677 is an apocalyptic number.

It is an amenable number.

54945677 is a deficient number, since it is larger than the sum of its proper divisors (513619).

54945677 is a wasteful number, since it uses less digits than its factorization.

54945677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513618.

The product of its digits is 1058400, while the sum is 47.

The square root of 54945677 is about 7412.5351263923. The cubic root of 54945677 is about 380.1700001132.

The spelling of 54945677 in words is "fifty-four million, nine hundred forty-five thousand, six hundred seventy-seven".

Divisors: 1 107 513511 54945677