54722131 has 2 divisors, whose sum is σ = 54722132. Its totient is φ = 54722130.

The previous prime is 54722089. The next prime is 54722137. The reversal of 54722131 is 13122745.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54722131 - 2¹⁷ = 54591059 is a prime.

It is a super-2 number, since 2×54722131² = 5989023242362322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54722096 and 54722105.

It is not a weakly prime, because it can be changed into another prime (54722137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27361065 + 27361066.

It is an arithmetic number, because the mean of its divisors is an integer number (27361066).

Almost surely, 2^54722131 is an apocalyptic number.

54722131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54722131 is an equidigital number, since it uses as much as digits as its factorization.

54722131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 54722131 is about 7397.4408412640. The cubic root of 54722131 is about 379.6537265685.

Adding to 54722131 its reverse (13122745), we get a palindrome (67844876).

The spelling of 54722131 in words is "fifty-four million, seven hundred twenty-two thousand, one hundred thirty-one".