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54989461 = 531037537
BaseRepresentation
bin1101000111000…
…1001010010101
310211110202100201
43101301022111
5103034130321
65242340501
71235255062
oct321611225
9124422321
1054989461
112904943a
12164ba731
13b514457
147435c69
154c63291
hex3471295

54989461 has 4 divisors (see below), whose sum is σ = 56027052. Its totient is φ = 53951872.

The previous prime is 54989453. The next prime is 54989507. The reversal of 54989461 is 16498945.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16498945 = 53299789.

It can be written as a sum of positive squares in 2 ways, for example, as 37088100 + 17901361 = 6090^2 + 4231^2 .

It is a cyclic number.

It is not a de Polignac number, because 54989461 - 23 = 54989453 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 (54989861) 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, 518716 + ... + 518821.

It is an arithmetic number, because the mean of its divisors is an integer number (14006763).

Almost surely, 254989461 is an apocalyptic number.

It is an amenable number.

54989461 is a deficient number, since it is larger than the sum of its proper divisors (1037591).

54989461 is a wasteful number, since it uses less digits than its factorization.

54989461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037590.

The product of its digits is 311040, while the sum is 46.

The square root of 54989461 is about 7415.4879138193. The cubic root of 54989461 is about 380.2709540299.

The spelling of 54989461 in words is "fifty-four million, nine hundred eighty-nine thousand, four hundred sixty-one".

Divisors: 1 53 1037537 54989461