54577661 has 2 divisors, whose sum is σ = 54577662. Its totient is φ = 54577660.

The previous prime is 54577619. The next prime is 54577697. The reversal of 54577661 is 16677545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54096025 + 481636 = 7355^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 54577661 - 2¹⁴ = 54561277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54577261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27288830 + 27288831.

It is an arithmetic number, because the mean of its divisors is an integer number (27288831).

Almost surely, 2^54577661 is an apocalyptic number.

It is an amenable number.

54577661 is a deficient number, since it is larger than the sum of its proper divisors (1).

54577661 is an equidigital number, since it uses as much as digits as its factorization.

54577661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 54577661 is about 7387.6695242817. The cubic root of 54577661 is about 379.3193285731.

The spelling of 54577661 in words is "fifty-four million, five hundred seventy-seven thousand, six hundred sixty-one".