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57244553 = 151379103
BaseRepresentation
bin1101101001011…
…1101110001001
310222201022202122
43122113232021
5104123311203
65402541025
71263366512
oct332275611
9128638678
1057244553
112a349753
1217207775
13bb23a22
147861a09
15505b538
hex3697b89

57244553 has 4 divisors (see below), whose sum is σ = 57623808. Its totient is φ = 56865300.

The previous prime is 57244547. The next prime is 57244571. The reversal of 57244553 is 35544275.

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.

It is a cyclic number.

It is not a de Polignac number, because 57244553 - 224 = 40467337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57244153) 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, 189401 + ... + 189702.

It is an arithmetic number, because the mean of its divisors is an integer number (14405952).

Almost surely, 257244553 is an apocalyptic number.

It is an amenable number.

57244553 is a deficient number, since it is larger than the sum of its proper divisors (379255).

57244553 is a wasteful number, since it uses less digits than its factorization.

57244553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379254.

The product of its digits is 84000, while the sum is 35.

The square root of 57244553 is about 7566.0130187570. The cubic root of 57244553 is about 385.3997152957.

The spelling of 57244553 in words is "fifty-seven million, two hundred forty-four thousand, five hundred fifty-three".

Divisors: 1 151 379103 57244553