54343631 has 2 divisors, whose sum is σ = 54343632. Its totient is φ = 54343630.

The previous prime is 54343559. The next prime is 54343643. The reversal of 54343631 is 13634345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54343631 - 2²² = 50149327 is a prime.

It is a super-2 number, since 2×54343631² = 5906460460528322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54343594 and 54343603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54343831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27171815 + 27171816.

It is an arithmetic number, because the mean of its divisors is an integer number (27171816).

Almost surely, 2^54343631 is an apocalyptic number.

54343631 is a deficient number, since it is larger than the sum of its proper divisors (1).

54343631 is an equidigital number, since it uses as much as digits as its factorization.

54343631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 54343631 is about 7371.8132776136. The cubic root of 54343631 is about 378.7763757151.

Adding to 54343631 its reverse (13634345), we get a palindrome (67977976).

The spelling of 54343631 in words is "fifty-four million, three hundred forty-three thousand, six hundred thirty-one".