54194977 has 2 divisors, whose sum is σ = 54194978. Its totient is φ = 54194976.

The previous prime is 54194971. The next prime is 54194983. The reversal of 54194977 is 77949145.

It is a balanced prime because it is at equal distance from previous prime (54194971) and next prime (54194983).

It can be written as a sum of positive squares in only one way, i.e., 50922496 + 3272481 = 7136^2 + 1809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54194977 is a prime.

It is not a weakly prime, because it can be changed into another prime (54194971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27097488 + 27097489.

It is an arithmetic number, because the mean of its divisors is an integer number (27097489).

Almost surely, 2^54194977 is an apocalyptic number.

It is an amenable number.

54194977 is a deficient number, since it is larger than the sum of its proper divisors (1).

54194977 is an equidigital number, since it uses as much as digits as its factorization.

54194977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 46.

The square root of 54194977 is about 7361.7237791159. The cubic root of 54194977 is about 378.4306863694.

The spelling of 54194977 in words is "fifty-four million, one hundred ninety-four thousand, nine hundred seventy-seven".