54512977 has 2 divisors, whose sum is σ = 54512978. Its totient is φ = 54512976.

The previous prime is 54512959. The next prime is 54512981. The reversal of 54512977 is 77921545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33362176 + 21150801 = 5776^2 + 4599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54512977 is a prime.

It is a super-2 number, since 2×54512977² = 5943329322805058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54512917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27256488 + 27256489.

It is an arithmetic number, because the mean of its divisors is an integer number (27256489).

Almost surely, 2^54512977 is an apocalyptic number.

It is an amenable number.

54512977 is a deficient number, since it is larger than the sum of its proper divisors (1).

54512977 is an equidigital number, since it uses as much as digits as its factorization.

54512977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 40.

The square root of 54512977 is about 7383.2903911468. The cubic root of 54512977 is about 379.1694162556.

The spelling of 54512977 in words is "fifty-four million, five hundred twelve thousand, nine hundred seventy-seven".