53859977 has 2 divisors, whose sum is σ = 53859978. Its totient is φ = 53859976.

The previous prime is 53859973. The next prime is 53860087. The reversal of 53859977 is 77995835.

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., 32478601 + 21381376 = 5699^2 + 4624^2 .

It is a cyclic number.

It is not a de Polignac number, because 53859977 - 2² = 53859973 is a prime.

It is not a weakly prime, because it can be changed into another prime (53859973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26929988 + 26929989.

It is an arithmetic number, because the mean of its divisors is an integer number (26929989).

Almost surely, 2^53859977 is an apocalyptic number.

It is an amenable number.

53859977 is a deficient number, since it is larger than the sum of its proper divisors (1).

53859977 is an equidigital number, since it uses as much as digits as its factorization.

53859977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 53.

The square root of 53859977 is about 7338.9356857790. The cubic root of 53859977 is about 377.6493323199.

The spelling of 53859977 in words is "fifty-three million, eight hundred fifty-nine thousand, nine hundred seventy-seven".