54236531 has 2 divisors, whose sum is σ = 54236532. Its totient is φ = 54236530.

The previous prime is 54236521. The next prime is 54236537. The reversal of 54236531 is 13563245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54236531 - 2¹⁰ = 54235507 is a prime.

It is a super-2 number, since 2×54236531² = 5883202589827922, 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 = 54236494 and 54236503.

It is not a weakly prime, because it can be changed into another prime (54236537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27118265 + 27118266.

It is an arithmetic number, because the mean of its divisors is an integer number (27118266).

Almost surely, 2^54236531 is an apocalyptic number.

54236531 is a deficient number, since it is larger than the sum of its proper divisors (1).

54236531 is an equidigital number, since it uses as much as digits as its factorization.

54236531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 54236531 is about 7364.5455392712. The cubic root of 54236531 is about 378.5273822392.

Adding to 54236531 its reverse (13563245), we get a palindrome (67799776).

It can be divided in two parts, 542 and 36531, that added together give a palindrome (37073).

The spelling of 54236531 in words is "fifty-four million, two hundred thirty-six thousand, five hundred thirty-one".