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55527061 = 431291327
BaseRepresentation
bin1101001111010…
…0011010010101
310212111001210211
43103310122111
5103203331221
65302045421
71242654322
oct323643225
9125431724
1055527061
1129386337
1216719871
13b672065
147535b49
154d1c6e1
hex34f4695

55527061 has 4 divisors (see below), whose sum is σ = 56818432. Its totient is φ = 54235692.

The previous prime is 55527029. The next prime is 55527089. The reversal of 55527061 is 16072555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55527061 - 25 = 55527029 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 (55528061) 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, 645621 + ... + 645706.

It is an arithmetic number, because the mean of its divisors is an integer number (14204608).

Almost surely, 255527061 is an apocalyptic number.

It is an amenable number.

55527061 is a deficient number, since it is larger than the sum of its proper divisors (1291371).

55527061 is a wasteful number, since it uses less digits than its factorization.

55527061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291370.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 55527061 is about 7451.6482069405. The cubic root of 55527061 is about 381.5061667808.

The spelling of 55527061 in words is "fifty-five million, five hundred twenty-seven thousand, sixty-one".

Divisors: 1 43 1291327 55527061