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55673087 = 232420569
BaseRepresentation
bin1101010001100…
…0000011111111
310212202111010012
43110120003333
5103223014322
65305133435
71244133131
oct324300377
9125674105
1055673087
1129476018
121678a27b
13b6c3672
147573051
154d4aae2
hex35180ff

55673087 has 4 divisors (see below), whose sum is σ = 58093680. Its totient is φ = 53252496.

The previous prime is 55673083. The next prime is 55673099. The reversal of 55673087 is 78037655.

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 55673087 - 22 = 55673083 is a prime.

It is a super-2 number, since 2×556730872 = 6198985232219138, 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 (55673081) 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, 1210262 + ... + 1210307.

It is an arithmetic number, because the mean of its divisors is an integer number (14523420).

Almost surely, 255673087 is an apocalyptic number.

55673087 is a deficient number, since it is larger than the sum of its proper divisors (2420593).

55673087 is a wasteful number, since it uses less digits than its factorization.

55673087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420592.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 55673087 is about 7461.4400084702. The cubic root of 55673087 is about 381.8403044919.

The spelling of 55673087 in words is "fifty-five million, six hundred seventy-three thousand, eighty-seven".

Divisors: 1 23 2420569 55673087