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55036451 = 63187221
BaseRepresentation
bin1101000111110…
…0101000100011
310211120010211002
43101330220203
5103042131301
65243342215
71235542061
oct321745043
9124503732
1055036451
1129080778
121652196b
13b52c962
147449031
154c7216b
hex347ca23

55036451 has 4 divisors (see below), whose sum is σ = 55124304. Its totient is φ = 54948600.

The previous prime is 55036441. The next prime is 55036453. The reversal of 55036451 is 15463055.

55036451 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 55036451 - 222 = 50842147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55036453) 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, 42980 + ... + 44241.

It is an arithmetic number, because the mean of its divisors is an integer number (13781076).

Almost surely, 255036451 is an apocalyptic number.

55036451 is a deficient number, since it is larger than the sum of its proper divisors (87853).

55036451 is an equidigital number, since it uses as much as digits as its factorization.

55036451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87852.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55036451 is about 7418.6556059707. The cubic root of 55036451 is about 380.3792405051.

The spelling of 55036451 in words is "fifty-five million, thirty-six thousand, four hundred fifty-one".

Divisors: 1 631 87221 55036451