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55037975 = 522201519
BaseRepresentation
bin1101000111110…
…1000000010111
310211120012220112
43101331000113
5103042203400
65243353235
71235546366
oct321750027
9124505815
1055037975
1129081933
121652281b
13b530565
1474497dd
154c72835
hex347d017

55037975 has 6 divisors (see below), whose sum is σ = 68247120. Its totient is φ = 44030360.

The previous prime is 55037953. The next prime is 55038007. The reversal of 55037975 is 57973055.

It is a happy number.

55037975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55037975 - 222 = 50843671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1100735 + ... + 1100784.

It is an arithmetic number, because the mean of its divisors is an integer number (11374520).

Almost surely, 255037975 is an apocalyptic number.

55037975 is a deficient number, since it is larger than the sum of its proper divisors (13209145).

55037975 is a wasteful number, since it uses less digits than its factorization.

55037975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201529 (or 2201524 counting only the distinct ones).

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 55037975 is about 7418.7583192877. The cubic root of 55037975 is about 380.3827514668.

The spelling of 55037975 in words is "fifty-five million, thirty-seven thousand, nine hundred seventy-five".

Divisors: 1 5 25 2201519 11007595 55037975