53620531 has 2 divisors, whose sum is σ = 53620532. Its totient is φ = 53620530.

The previous prime is 53620529. The next prime is 53620537. The reversal of 53620531 is 13502635.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53620531 - 2¹ = 53620529 is a prime.

It is a super-2 number, since 2×53620531² = 5750322689443922, which contains 22 as substring.

Together with 53620529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53620496 and 53620505.

It is not a weakly prime, because it can be changed into another prime (53620537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26810265 + 26810266.

It is an arithmetic number, because the mean of its divisors is an integer number (26810266).

Almost surely, 2^53620531 is an apocalyptic number.

53620531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53620531 is an equidigital number, since it uses as much as digits as its factorization.

53620531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53620531 is about 7322.6041132919. The cubic root of 53620531 is about 377.0888607501.

The spelling of 53620531 in words is "fifty-three million, six hundred twenty thousand, five hundred thirty-one".