53976977 has 2 divisors, whose sum is σ = 53976978. Its totient is φ = 53976976.

The previous prime is 53976947. The next prime is 53976991. The reversal of 53976977 is 77967935.

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., 33825856 + 20151121 = 5816^2 + 4489^2 .

It is a cyclic number.

It is not a de Polignac number, because 53976977 - 2¹⁰ = 53975953 is a prime.

It is not a weakly prime, because it can be changed into another prime (53976947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26988488 + 26988489.

It is an arithmetic number, because the mean of its divisors is an integer number (26988489).

Almost surely, 2^53976977 is an apocalyptic number.

It is an amenable number.

53976977 is a deficient number, since it is larger than the sum of its proper divisors (1).

53976977 is an equidigital number, since it uses as much as digits as its factorization.

53976977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2500470, while the sum is 53.

The square root of 53976977 is about 7346.9025446102. The cubic root of 53976977 is about 377.9225903653.

The spelling of 53976977 in words is "fifty-three million, nine hundred seventy-six thousand, nine hundred seventy-seven".