53367481 has 2 divisors, whose sum is σ = 53367482. Its totient is φ = 53367480.

The previous prime is 53367469. The next prime is 53367487. The reversal of 53367481 is 18476335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47389456 + 5978025 = 6884^2 + 2445^2 .

It is a cyclic number.

It is not a de Polignac number, because 53367481 - 2²³ = 44978873 is a prime.

It is a super-2 number, since 2×53367481² = 5696176056570722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53367481.

It is not a weakly prime, because it can be changed into another prime (53367487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26683740 + 26683741.

It is an arithmetic number, because the mean of its divisors is an integer number (26683741).

Almost surely, 2^53367481 is an apocalyptic number.

It is an amenable number.

53367481 is a deficient number, since it is larger than the sum of its proper divisors (1).

53367481 is an equidigital number, since it uses as much as digits as its factorization.

53367481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 53367481 is about 7305.3049902109. The cubic root of 53367481 is about 376.4947298747.

The spelling of 53367481 in words is "fifty-three million, three hundred sixty-seven thousand, four hundred eighty-one".