54577966 has 4 divisors (see below), whose sum is σ = 81866952. Its totient is φ = 27288982.

The previous prime is 54577921. The next prime is 54577967. The reversal of 54577966 is 66977545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66977545 = 5 ⋅13395509.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54577967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13644490 + ... + 13644493.

It is an arithmetic number, because the mean of its divisors is an integer number (20466738).

Almost surely, 2^54577966 is an apocalyptic number.

54577966 is a deficient number, since it is larger than the sum of its proper divisors (27288986).

54577966 is a wasteful number, since it uses less digits than its factorization.

54577966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27288985.

The product of its digits is 1587600, while the sum is 49.

The square root of 54577966 is about 7387.6901667571. The cubic root of 54577966 is about 379.3200351637.

The spelling of 54577966 in words is "fifty-four million, five hundred seventy-seven thousand, nine hundred sixty-six".