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55025042 = 2261710513
BaseRepresentation
bin1101000111100…
…1110110010010
310211112120011112
43101321312102
5103041300132
65243213322
71235463602
oct321716622
9124476145
1055025042
1129073146
1216517242
13b5276c7
147444c02
154c6dab2
hex3479d92

55025042 has 8 divisors (see below), whose sum is σ = 82576956. Its totient is φ = 27499392.

The previous prime is 55025017. The next prime is 55025057. The reversal of 55025042 is 24052055.

It can be written as a sum of positive squares in 2 ways, for example, as 54745201 + 279841 = 7399^2 + 529^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 55024999 and 55025017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 10490.

Almost surely, 255025042 is an apocalyptic number.

55025042 is a deficient number, since it is larger than the sum of its proper divisors (27551914).

55025042 is a wasteful number, since it uses less digits than its factorization.

55025042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13132.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 55025042 is about 7417.8866262568. The cubic root of 55025042 is about 380.3529546129.

Adding to 55025042 its reverse (24052055), we get a palindrome (79077097).

The spelling of 55025042 in words is "fifty-five million, twenty-five thousand, forty-two".

Divisors: 1 2 2617 5234 10513 21026 27512521 55025042