Search a number
-
+
56272553 is a prime number
BaseRepresentation
bin1101011010101…
…0011010101001
310220212221102122
43112222122221
5103401210203
65330041025
71252210631
oct326523251
9126787378
1056272553
1129845447
1216a19175
13b87348c
14768b6c1
154e18538
hex35aa6a9

56272553 has 2 divisors, whose sum is σ = 56272554. Its totient is φ = 56272552.

The previous prime is 56272543. The next prime is 56272571. The reversal of 56272553 is 35527265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51308569 + 4963984 = 7163^2 + 2228^2 .

It is a cyclic number.

It is not a de Polignac number, because 56272553 - 220 = 55223977 is a prime.

It is a super-2 number, since 2×562725532 = 6333200442275618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56272543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28136276 + 28136277.

It is an arithmetic number, because the mean of its divisors is an integer number (28136277).

Almost surely, 256272553 is an apocalyptic number.

It is an amenable number.

56272553 is a deficient number, since it is larger than the sum of its proper divisors (1).

56272553 is an equidigital number, since it uses as much as digits as its factorization.

56272553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 35.

The square root of 56272553 is about 7501.5033826560. The cubic root of 56272553 is about 383.2059169890.

The spelling of 56272553 in words is "fifty-six million, two hundred seventy-two thousand, five hundred fifty-three".