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54525973 = 225124223
BaseRepresentation
bin1101000000000…
…0000000010101
310210121012120111
43100000000111
5102424312343
65224403021
71231314565
oct320000025
9123535514
1054525973
1128862197
1216316471
13b3b14b8
147354da5
154bc0c9d
hex3400015

54525973 has 4 divisors (see below), whose sum is σ = 54552448. Its totient is φ = 54499500.

The previous prime is 54525917. The next prime is 54525979. The reversal of 54525973 is 37952545.

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: 37952545 = 57590509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54525973 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 (54525979) 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, 9861 + ... + 14362.

It is an arithmetic number, because the mean of its divisors is an integer number (13638112).

Almost surely, 254525973 is an apocalyptic number.

It is an amenable number.

54525973 is a deficient number, since it is larger than the sum of its proper divisors (26475).

54525973 is a wasteful number, since it uses less digits than its factorization.

54525973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26474.

The product of its digits is 189000, while the sum is 40.

The square root of 54525973 is about 7384.1704341111. The cubic root of 54525973 is about 379.1995454375.

The spelling of 54525973 in words is "fifty-four million, five hundred twenty-five thousand, nine hundred seventy-three".

Divisors: 1 2251 24223 54525973