Search a number
-
+
53156479 is a prime number
BaseRepresentation
bin1100101011000…
…1101001111111
310201000121222111
43022301221333
5102102001404
65135154451
71213552105
oct312615177
9121017874
1053156479
1128007282
1215975a27
13b02204c
1470b9c75
154a00104
hex32b1a7f

53156479 has 2 divisors, whose sum is σ = 53156480. Its totient is φ = 53156478.

The previous prime is 53156447. The next prime is 53156497. The reversal of 53156479 is 97465135.

Together with next prime (53156497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53156479 - 25 = 53156447 is a prime.

It is a super-2 number, since 2×531564792 = 5651222519354882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53156429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26578239 + 26578240.

It is an arithmetic number, because the mean of its divisors is an integer number (26578240).

Almost surely, 253156479 is an apocalyptic number.

53156479 is a deficient number, since it is larger than the sum of its proper divisors (1).

53156479 is an equidigital number, since it uses as much as digits as its factorization.

53156479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 53156479 is about 7290.8489903440. The cubic root of 53156479 is about 375.9978850605.

It can be divided in two parts, 53156 and 479, that added together give a palindrome (53635).

The spelling of 53156479 in words is "fifty-three million, one hundred fifty-six thousand, four hundred seventy-nine".