Search a number
-
+
55463961 = 3715117491
BaseRepresentation
bin1101001110010…
…1000000011001
310212100212020210
43103211000121
5103144321321
65300441333
71242302340
oct323450031
9125325223
1055463961
1129342993
12166a9249
13b64c417
14751ab57
154d08b76
hex34e5019

55463961 has 16 divisors (see below), whose sum is σ = 85081088. Its totient is φ = 31482000.

The previous prime is 55463951. The next prime is 55464001. The reversal of 55463961 is 16936455.

It is not a de Polignac number, because 55463961 - 26 = 55463897 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55463951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5575 + ... + 11916.

It is an arithmetic number, because the mean of its divisors is an integer number (5317568).

Almost surely, 255463961 is an apocalyptic number.

It is an amenable number.

55463961 is a deficient number, since it is larger than the sum of its proper divisors (29617127).

55463961 is a wasteful number, since it uses less digits than its factorization.

55463961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17652.

The product of its digits is 97200, while the sum is 39.

The square root of 55463961 is about 7447.4130407813. The cubic root of 55463961 is about 381.3615996504.

The spelling of 55463961 in words is "fifty-five million, four hundred sixty-three thousand, nine hundred sixty-one".

Divisors: 1 3 7 21 151 453 1057 3171 17491 52473 122437 367311 2641141 7923423 18487987 55463961