Search a number
-
+
55642054 = 21317125887
BaseRepresentation
bin1101010001000…
…0011111000110
310212200220112211
43110100133012
5103221021204
65304334034
71243643506
oct324203706
9125626484
1055642054
1129454776
121677431a
13b6b24c0
147565a06
154d41804
hex35107c6

55642054 has 16 divisors (see below), whose sum is σ = 95171328. Its totient is φ = 24170112.

The previous prime is 55642049. The next prime is 55642057. The reversal of 55642054 is 45024655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55642057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62502 + ... + 63385.

It is an arithmetic number, because the mean of its divisors is an integer number (5948208).

Almost surely, 255642054 is an apocalyptic number.

55642054 is a deficient number, since it is larger than the sum of its proper divisors (39529274).

55642054 is a wasteful number, since it uses less digits than its factorization.

55642054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125919.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 55642054 is about 7459.3601602282. The cubic root of 55642054 is about 381.7693434991.

The spelling of 55642054 in words is "fifty-five million, six hundred forty-two thousand, fifty-four".

Divisors: 1 2 13 17 26 34 221 442 125887 251774 1636531 2140079 3273062 4280158 27821027 55642054