54243031 has 2 divisors, whose sum is σ = 54243032. Its totient is φ = 54243030.

The previous prime is 54243019. The next prime is 54243047. The reversal of 54243031 is 13034245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54243031 - 2⁹ = 54242519 is a prime.

It is a super-2 number, since 2×54243031² = 5884612824133922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54242993 and 54243011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54243011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27121515 + 27121516.

It is an arithmetic number, because the mean of its divisors is an integer number (27121516).

Almost surely, 2^54243031 is an apocalyptic number.

54243031 is a deficient number, since it is larger than the sum of its proper divisors (1).

54243031 is an equidigital number, since it uses as much as digits as its factorization.

54243031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 54243031 is about 7364.9868295877. The cubic root of 54243031 is about 378.5425032266.

Adding to 54243031 its reverse (13034245), we get a palindrome (67277276).

The spelling of 54243031 in words is "fifty-four million, two hundred forty-three thousand, thirty-one".