54156757 has 2 divisors, whose sum is σ = 54156758. Its totient is φ = 54156756.

The previous prime is 54156731. The next prime is 54156769. The reversal of 54156757 is 75765145.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38427601 + 15729156 = 6199^2 + 3966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54156757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54156257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27078378 + 27078379.

It is an arithmetic number, because the mean of its divisors is an integer number (27078379).

Almost surely, 2^54156757 is an apocalyptic number.

It is an amenable number.

54156757 is a deficient number, since it is larger than the sum of its proper divisors (1).

54156757 is an equidigital number, since it uses as much as digits as its factorization.

54156757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 40.

The square root of 54156757 is about 7359.1274618667. The cubic root of 54156757 is about 378.3417050465.

The spelling of 54156757 in words is "fifty-four million, one hundred fifty-six thousand, seven hundred fifty-seven".