54388277 has 2 divisors, whose sum is σ = 54388278. Its totient is φ = 54388276.

The previous prime is 54388273. The next prime is 54388283. The reversal of 54388277 is 77288345.

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., 54257956 + 130321 = 7366^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 54388277 - 2² = 54388273 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54388273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27194138 + 27194139.

It is an arithmetic number, because the mean of its divisors is an integer number (27194139).

Almost surely, 2^54388277 is an apocalyptic number.

It is an amenable number.

54388277 is a deficient number, since it is larger than the sum of its proper divisors (1).

54388277 is an equidigital number, since it uses as much as digits as its factorization.

54388277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 44.

The square root of 54388277 is about 7374.8408118413. The cubic root of 54388277 is about 378.8800752094.

The spelling of 54388277 in words is "fifty-four million, three hundred eighty-eight thousand, two hundred seventy-seven".