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54900871 = 173229463
BaseRepresentation
bin1101000101101…
…1100010000111
310211022020211121
43101123202013
5103023311441
65240414411
71234435564
oct321334207
9124266747
1054900871
1128a98923
1216477407
13b4b302c
14741186b
154c46dd1
hex345b887

54900871 has 4 divisors (see below), whose sum is σ = 58130352. Its totient is φ = 51671392.

The previous prime is 54900869. The next prime is 54900877. The reversal of 54900871 is 17800945.

It is a happy number.

54900871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54900871 - 21 = 54900869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54900877) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1614715 + ... + 1614748.

It is an arithmetic number, because the mean of its divisors is an integer number (14532588).

Almost surely, 254900871 is an apocalyptic number.

54900871 is a deficient number, since it is larger than the sum of its proper divisors (3229481).

54900871 is a wasteful number, since it uses less digits than its factorization.

54900871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229480.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 54900871 is about 7409.5121971693. The cubic root of 54900871 is about 380.0666342058.

The spelling of 54900871 in words is "fifty-four million, nine hundred thousand, eight hundred seventy-one".

Divisors: 1 17 3229463 54900871