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54481357 = 761127591
BaseRepresentation
bin1100111111010…
…1000111001101
310210111221101001
43033311013031
5102421400412
65223420301
71231040530
oct317650715
9123457331
1054481357
1128831717
12162b4691
13b3970b8
147342a17
154bb2957
hex33f51cd

54481357 has 8 divisors (see below), whose sum is σ = 63285632. Its totient is φ = 45932400.

The previous prime is 54481351. The next prime is 54481363. The reversal of 54481357 is 75318445.

It is an interprime number because it is at equal distance from previous prime (54481351) and next prime (54481363).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54481357 - 211 = 54479309 is a prime.

It is a super-2 number, since 2×544813572 = 5936436521122898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54481351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63369 + ... + 64222.

It is an arithmetic number, because the mean of its divisors is an integer number (7910704).

Almost surely, 254481357 is an apocalyptic number.

It is an amenable number.

54481357 is a deficient number, since it is larger than the sum of its proper divisors (8804275).

54481357 is a wasteful number, since it uses less digits than its factorization.

54481357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127659.

The product of its digits is 67200, while the sum is 37.

The square root of 54481357 is about 7381.1487588315. The cubic root of 54481357 is about 379.0960902547.

The spelling of 54481357 in words is "fifty-four million, four hundred eighty-one thousand, three hundred fifty-seven".

Divisors: 1 7 61 427 127591 893137 7783051 54481357