54811577 has 2 divisors, whose sum is σ = 54811578. Its totient is φ = 54811576.

The previous prime is 54811529. The next prime is 54811597. The reversal of 54811577 is 77511845.

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., 29116816 + 25694761 = 5396^2 + 5069^2 .

It is a cyclic number.

It is not a de Polignac number, because 54811577 - 2⁸ = 54811321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54811577.

It is not a weakly prime, because it can be changed into another prime (54811597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27405788 + 27405789.

It is an arithmetic number, because the mean of its divisors is an integer number (27405789).

Almost surely, 2^54811577 is an apocalyptic number.

It is an amenable number.

54811577 is a deficient number, since it is larger than the sum of its proper divisors (1).

54811577 is an equidigital number, since it uses as much as digits as its factorization.

54811577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 38.

The square root of 54811577 is about 7403.4841122272. The cubic root of 54811577 is about 379.8604681623.

The spelling of 54811577 in words is "fifty-four million, eight hundred eleven thousand, five hundred seventy-seven".