Search a number
-
+
55292897 = 1123218549
BaseRepresentation
bin1101001011101…
…1001111100001
310212001011121002
43102323033201
5103123333042
65253041345
71240660532
oct322731741
9125034532
1055292897
1129236410
1216626255
13b5bc5ba
1474b4689
154cc3132
hex34bb3e1

55292897 has 8 divisors (see below), whose sum is σ = 62942400. Its totient is φ = 48080560.

The previous prime is 55292893. The next prime is 55292899. The reversal of 55292897 is 79829255.

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

It is not a de Polignac number, because 55292897 - 22 = 55292893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55292893) 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, 109022 + ... + 109527.

It is an arithmetic number, because the mean of its divisors is an integer number (7867800).

Almost surely, 255292897 is an apocalyptic number.

It is an amenable number.

55292897 is a deficient number, since it is larger than the sum of its proper divisors (7649503).

55292897 is a wasteful number, since it uses less digits than its factorization.

55292897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218583.

The product of its digits is 453600, while the sum is 47.

The square root of 55292897 is about 7435.9193782612. The cubic root of 55292897 is about 380.9691260291.

The spelling of 55292897 in words is "fifty-five million, two hundred ninety-two thousand, eight hundred ninety-seven".

Divisors: 1 11 23 253 218549 2404039 5026627 55292897