Search a number
-
+
55380046461 = 3235315143573
BaseRepresentation
bin110011100100111010…
…000111001001111101
312021221112022211220220
4303210322013021331
51401404242441321
641235150331553
74000240425255
oct634472071175
9167845284826
1055380046461
1121539657643
12a8967b9bb9
1352b757497c
142975080965
151691d6c9c6
hexce4e8727d

55380046461 has 16 divisors (see below), whose sum is σ = 78504287616. Its totient is φ = 34648492736.

The previous prime is 55380046459. The next prime is 55380046487. The reversal of 55380046461 is 16464008355.

It is a cyclic number.

It is not a de Polignac number, because 55380046461 - 21 = 55380046459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55380046861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7568130 + ... + 7575443.

It is an arithmetic number, because the mean of its divisors is an integer number (4906517976).

Almost surely, 255380046461 is an apocalyptic number.

It is an amenable number.

55380046461 is a deficient number, since it is larger than the sum of its proper divisors (23124241155).

55380046461 is a wasteful number, since it uses less digits than its factorization.

55380046461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15143652.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 55380046461 in words is "fifty-five billion, three hundred eighty million, forty-six thousand, four hundred sixty-one".

Divisors: 1 3 23 53 69 159 1219 3657 15143573 45430719 348302179 802609369 1044906537 2407828107 18460015487 55380046461