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54657923 = 151361973
BaseRepresentation
bin1101000010000…
…0001110000011
310210211220120112
43100200032003
5102443023143
65231301535
71232404355
oct320401603
9123756515
1054657923
1128942341
121637a8ab
13b429588
14738b0d5
154be9e18
hex3420383

54657923 has 4 divisors (see below), whose sum is σ = 55020048. Its totient is φ = 54295800.

The previous prime is 54657901. The next prime is 54657943. The reversal of 54657923 is 32975645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32975645 = 56595129.

It is a cyclic number.

It is not a de Polignac number, because 54657923 - 28 = 54657667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54657943) 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, 180836 + ... + 181137.

It is an arithmetic number, because the mean of its divisors is an integer number (13755012).

Almost surely, 254657923 is an apocalyptic number.

54657923 is a deficient number, since it is larger than the sum of its proper divisors (362125).

54657923 is a wasteful number, since it uses less digits than its factorization.

54657923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362124.

The product of its digits is 226800, while the sum is 41.

The square root of 54657923 is about 7393.0996882228. The cubic root of 54657923 is about 379.5051800457.

The spelling of 54657923 in words is "fifty-four million, six hundred fifty-seven thousand, nine hundred twenty-three".

Divisors: 1 151 361973 54657923