53971877 has 2 divisors, whose sum is σ = 53971878. Its totient is φ = 53971876.

The previous prime is 53971859. The next prime is 53971909. The reversal of 53971877 is 77817935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52983841 + 988036 = 7279^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 53971877 - 2¹⁰ = 53970853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53971817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26985938 + 26985939.

It is an arithmetic number, because the mean of its divisors is an integer number (26985939).

Almost surely, 2^53971877 is an apocalyptic number.

It is an amenable number.

53971877 is a deficient number, since it is larger than the sum of its proper divisors (1).

53971877 is an equidigital number, since it uses as much as digits as its factorization.

53971877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 47.

The square root of 53971877 is about 7346.5554513663. Note that the first 3 decimals coincide. The cubic root of 53971877 is about 377.9106873526.

The spelling of 53971877 in words is "fifty-three million, nine hundred seventy-one thousand, eight hundred seventy-seven".