54877771 has 16 divisors (see below), whose sum is σ = 61065088. Its totient is φ = 48988800.

The previous prime is 54877763. The next prime is 54877777. The reversal of 54877771 is 17777845.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54877771 - 2³ = 54877763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54877777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130141 + ... + 130561.

It is an arithmetic number, because the mean of its divisors is an integer number (3816568).

Almost surely, 2^54877771 is an apocalyptic number.

54877771 is a deficient number, since it is larger than the sum of its proper divisors (6187317).

54877771 is a wasteful number, since it uses less digits than its factorization.

54877771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 384160, while the sum is 46.

The square root of 54877771 is about 7407.9532260942. The cubic root of 54877771 is about 380.0133213243.

The spelling of 54877771 in words is "fifty-four million, eight hundred seventy-seven thousand, seven hundred seventy-one".