54577261 has 2 divisors, whose sum is σ = 54577262. Its totient is φ = 54577260.

The previous prime is 54577247. The next prime is 54577307. The reversal of 54577261 is 16277545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52345225 + 2232036 = 7235^2 + 1494^2 .

It is a cyclic number.

It is not a de Polignac number, because 54577261 - 2¹⁵ = 54544493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54577261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54577661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27288630 + 27288631.

It is an arithmetic number, because the mean of its divisors is an integer number (27288631).

Almost surely, 2^54577261 is an apocalyptic number.

It is an amenable number.

54577261 is a deficient number, since it is larger than the sum of its proper divisors (1).

54577261 is an equidigital number, since it uses as much as digits as its factorization.

54577261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 37.

The square root of 54577261 is about 7387.6424520953. The cubic root of 54577261 is about 379.3184018930.

The spelling of 54577261 in words is "fifty-four million, five hundred seventy-seven thousand, two hundred sixty-one".