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55803463 = 73764431
BaseRepresentation
bin1101010011011…
…1111001000111
310220000002221221
43110313321013
5103241202323
65312021211
71245215212
oct324677107
9126002857
1055803463
1129554a71
1216831807
13b73ab01
1475a8779
154d7455d
hex3537e47

55803463 has 4 divisors (see below), whose sum is σ = 56567968. Its totient is φ = 55038960.

The previous prime is 55803413. The next prime is 55803487. The reversal of 55803463 is 36430855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36430855 = 57286171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55803463 is a prime.

It is a super-2 number, since 2×558034632 = 6228052965584738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55803403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382143 + ... + 382288.

It is an arithmetic number, because the mean of its divisors is an integer number (14141992).

Almost surely, 255803463 is an apocalyptic number.

55803463 is a deficient number, since it is larger than the sum of its proper divisors (764505).

55803463 is an equidigital number, since it uses as much as digits as its factorization.

55803463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764504.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 55803463 is about 7470.1715509083. The cubic root of 55803463 is about 382.1381384125.

The spelling of 55803463 in words is "fifty-five million, eight hundred three thousand, four hundred sixty-three".

Divisors: 1 73 764431 55803463