Search a number
-
+
55764877 = 731256981
BaseRepresentation
bin1101010010111…
…0011110001101
310212221011000211
43110232132031
5103233434002
65311122421
71244664550
oct324563615
9125834024
1055764877
1129528a83
1216813411
13b72638c
147598697
154d67dd7
hex352e78d

55764877 has 8 divisors (see below), whose sum is σ = 65787392. Its totient is φ = 46256400.

The previous prime is 55764871. The next prime is 55764881. The reversal of 55764877 is 77846755.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55764877 - 219 = 55240589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55764877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55764871) 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, 128274 + ... + 128707.

It is an arithmetic number, because the mean of its divisors is an integer number (8223424).

Almost surely, 255764877 is an apocalyptic number.

It is an amenable number.

55764877 is a deficient number, since it is larger than the sum of its proper divisors (10022515).

55764877 is a wasteful number, since it uses less digits than its factorization.

55764877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257019.

The product of its digits is 1646400, while the sum is 49.

The square root of 55764877 is about 7467.5884326870. The cubic root of 55764877 is about 382.0500400443.

The spelling of 55764877 in words is "fifty-five million, seven hundred sixty-four thousand, eight hundred seventy-seven".

Divisors: 1 7 31 217 256981 1798867 7966411 55764877