Search a number
-
+
55407270455 = 5311181302681
BaseRepresentation
bin110011100110100001…
…111101101000110111
312022000102112222012222
4303212201331220313
51401433230123310
641242002032555
74001021012435
oct634641755067
9168012488188
1055407270455
1121552a61409
12a8a394875b
1352c00b7244
142978929d55
151694449055
hexce687da37

55407270455 has 16 divisors (see below), whose sum is σ = 68691863808. Its totient is φ = 42859488000.

The previous prime is 55407270433. The next prime is 55407270493.

55407270455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55407270455 - 28 = 55407270199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31715 + ... + 334395.

It is an arithmetic number, because the mean of its divisors is an integer number (4293241488).

Almost surely, 255407270455 is an apocalyptic number.

55407270455 is a deficient number, since it is larger than the sum of its proper divisors (13284593353).

55407270455 is a wasteful number, since it uses less digits than its factorization.

55407270455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303898.

The product of its (nonzero) digits is 980000, while the sum is 44.

The spelling of 55407270455 in words is "fifty-five billion, four hundred seven million, two hundred seventy thousand, four hundred fifty-five".

Divisors: 1 5 31 155 1181 5905 36611 183055 302681 1513405 9383111 46915555 357466261 1787331305 11081454091 55407270455