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57225601 = 184730983
BaseRepresentation
bin1101101001001…
…1000110000001
310222200100202201
43122103012001
5104122204401
65402313201
71263260326
oct332230601
9128610681
1057225601
112a336494
12171b8801
13bb18204
147858b4d
155055b01
hex3693181

57225601 has 4 divisors (see below), whose sum is σ = 57258432. Its totient is φ = 57192772.

The previous prime is 57225593. The next prime is 57225607. The reversal of 57225601 is 10652275.

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 57225601 - 23 = 57225593 is a prime.

It is a super-2 number, since 2×572256012 = 6549538819622402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57225601.

It is not an unprimeable number, because it can be changed into a prime (57225607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13645 + ... + 17338.

It is an arithmetic number, because the mean of its divisors is an integer number (14314608).

Almost surely, 257225601 is an apocalyptic number.

It is an amenable number.

57225601 is a deficient number, since it is larger than the sum of its proper divisors (32831).

57225601 is a wasteful number, since it uses less digits than its factorization.

57225601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32830.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 57225601 is about 7564.7604720837. The cubic root of 57225601 is about 385.3571790704.

Adding to 57225601 its reverse (10652275), we get a palindrome (67877876).

The spelling of 57225601 in words is "fifty-seven million, two hundred twenty-five thousand, six hundred one".

Divisors: 1 1847 30983 57225601