Search a number
-
+
55900955 = 51153127151
BaseRepresentation
bin1101010100111…
…1101100011011
310220012001200202
43111033230123
5103302312310
65314052415
71246102355
oct325175433
9126161622
1055900955
1129611240
121687a10b
13b7732b6
1475d20d5
154d933a5
hex354fb1b

55900955 has 32 divisors (see below), whose sum is σ = 75644928. Its totient is φ = 39312000.

The previous prime is 55900937. The next prime is 55900997.

It is a happy number.

55900955 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55900955 - 210 = 55899931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370130 + ... + 370280.

It is an arithmetic number, because the mean of its divisors is an integer number (2363904).

Almost surely, 255900955 is an apocalyptic number.

55900955 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55900955 is a deficient number, since it is larger than the sum of its proper divisors (19743973).

55900955 is a wasteful number, since it uses less digits than its factorization.

55900955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 50625, while the sum is 38.

The square root of 55900955 is about 7476.6941224046. The cubic root of 55900955 is about 382.3605483647.

The spelling of 55900955 in words is "fifty-five million, nine hundred thousand, nine hundred fifty-five".

Divisors: 1 5 11 53 55 127 151 265 583 635 755 1397 1661 2915 6731 6985 8003 8305 19177 33655 40015 74041 88033 95885 210947 370205 440165 1016381 1054735 5081905 11180191 55900955