54811357 has 2 divisors, whose sum is σ = 54811358. Its totient is φ = 54811356.

The previous prime is 54811343. The next prime is 54811373. The reversal of 54811357 is 75311845.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39803481 + 15007876 = 6309^2 + 3874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54811357 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54811307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27405678 + 27405679.

It is an arithmetic number, because the mean of its divisors is an integer number (27405679).

Almost surely, 2^54811357 is an apocalyptic number.

It is an amenable number.

54811357 is a deficient number, since it is larger than the sum of its proper divisors (1).

54811357 is an equidigital number, since it uses as much as digits as its factorization.

54811357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 34.

The square root of 54811357 is about 7403.4692543429. The cubic root of 54811357 is about 379.8599599399.

The spelling of 54811357 in words is "fifty-four million, eight hundred eleven thousand, three hundred fifty-seven".