53154481 has 2 divisors, whose sum is σ = 53154482. Its totient is φ = 53154480.

The previous prime is 53154473. The next prime is 53154499. The reversal of 53154481 is 18445135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34621456 + 18533025 = 5884^2 + 4305^2 .

It is a cyclic number.

It is not a de Polignac number, because 53154481 - 2³ = 53154473 is a prime.

It is a super-2 number, since 2×53154481² = 5650797700758722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53154421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26577240 + 26577241.

It is an arithmetic number, because the mean of its divisors is an integer number (26577241).

Almost surely, 2^53154481 is an apocalyptic number.

It is an amenable number.

53154481 is a deficient number, since it is larger than the sum of its proper divisors (1).

53154481 is an equidigital number, since it uses as much as digits as its factorization.

53154481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

The square root of 53154481 is about 7290.7119679768. The cubic root of 53154481 is about 375.9931741065.

It can be divided in two parts, 53154 and 481, that added together give a palindrome (53635).

The spelling of 53154481 in words is "fifty-three million, one hundred fifty-four thousand, four hundred eighty-one".