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57550045 = 571644287
BaseRepresentation
bin1101101110001…
…0010011011101
311000021211211011
43123202103131
5104213100140
65413255221
71266111250
oct333422335
9130254734
1057550045
112a538223
1217334511
13bbccaa7
147901097
1550bbcea
hex36e24dd

57550045 has 8 divisors (see below), whose sum is σ = 78925824. Its totient is φ = 39462864.

The previous prime is 57550027. The next prime is 57550081. The reversal of 57550045 is 54005575.

57550045 is nontrivially palindromic in base 14.

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

It is not a de Polignac number, because 57550045 - 29 = 57549533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57549989 and 57550016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822109 + ... + 822178.

It is an arithmetic number, because the mean of its divisors is an integer number (9865728).

Almost surely, 257550045 is an apocalyptic number.

It is an amenable number.

57550045 is a deficient number, since it is larger than the sum of its proper divisors (21375779).

57550045 is a wasteful number, since it uses less digits than its factorization.

57550045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644299.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 57550045 is about 7586.1745959344. The cubic root of 57550045 is about 386.0840756661.

The spelling of 57550045 in words is "fifty-seven million, five hundred fifty thousand, forty-five".

Divisors: 1 5 7 35 1644287 8221435 11510009 57550045