53919977 has 2 divisors, whose sum is σ = 53919978. Its totient is φ = 53919976.

The previous prime is 53919959. The next prime is 53920003. The reversal of 53919977 is 77991935.

It is a happy number.

53919977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 17147881 = 6064^2 + 4141^2 .

It is a cyclic number.

It is not a de Polignac number, because 53919977 - 2¹² = 53915881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53919947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26959988 + 26959989.

It is an arithmetic number, because the mean of its divisors is an integer number (26959989).

Almost surely, 2^53919977 is an apocalyptic number.

It is an amenable number.

53919977 is a deficient number, since it is larger than the sum of its proper divisors (1).

53919977 is an equidigital number, since it uses as much as digits as its factorization.

53919977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 535815, while the sum is 50.

The square root of 53919977 is about 7343.0223341619. The cubic root of 53919977 is about 377.7895140305.

The spelling of 53919977 in words is "fifty-three million, nine hundred nineteen thousand, nine hundred seventy-seven".