54988231 has 2 divisors, whose sum is σ = 54988232. Its totient is φ = 54988230.

The previous prime is 54988201. The next prime is 54988237. The reversal of 54988231 is 13288945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54988231 - 2⁷ = 54988103 is a prime.

It is a super-2 number, since 2×54988231² = 6047411097018722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54988237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27494115 + 27494116.

It is an arithmetic number, because the mean of its divisors is an integer number (27494116).

Almost surely, 2^54988231 is an apocalyptic number.

54988231 is a deficient number, since it is larger than the sum of its proper divisors (1).

54988231 is an equidigital number, since it uses as much as digits as its factorization.

54988231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 54988231 is about 7415.4049788262. The cubic root of 54988231 is about 380.2681187184.

The spelling of 54988231 in words is "fifty-four million, nine hundred eighty-eight thousand, two hundred thirty-one".