52455631 has 2 divisors, whose sum is σ = 52455632. Its totient is φ = 52455630.

The previous prime is 52455629. The next prime is 52455701. The reversal of 52455631 is 13655425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52455631 - 2¹ = 52455629 is a prime.

It is a super-2 number, since 2×52455631² = 5503186447216322, which contains 22 as substring.

Together with 52455629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 52455593 and 52455602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52455731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26227815 + 26227816.

It is an arithmetic number, because the mean of its divisors is an integer number (26227816).

Almost surely, 2^52455631 is an apocalyptic number.

52455631 is a deficient number, since it is larger than the sum of its proper divisors (1).

52455631 is an equidigital number, since it uses as much as digits as its factorization.

52455631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 31.

The square root of 52455631 is about 7242.6259740511. The cubic root of 52455631 is about 374.3381058920.

The spelling of 52455631 in words is "fifty-two million, four hundred fifty-five thousand, six hundred thirty-one".