54685977 has 4 divisors (see below), whose sum is σ = 72914640. Its totient is φ = 36457316.

The previous prime is 54685949. The next prime is 54686017. The reversal of 54685977 is 77958645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54685977 - 2⁷ = 54685849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54685907) 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 in 3 ways as a sum of consecutive naturals, for example, 9114327 + ... + 9114332.

It is an arithmetic number, because the mean of its divisors is an integer number (18228660).

Almost surely, 2^54685977 is an apocalyptic number.

It is an amenable number.

54685977 is a deficient number, since it is larger than the sum of its proper divisors (18228663).

54685977 is a wasteful number, since it uses less digits than its factorization.

54685977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18228662.

The product of its digits is 2116800, while the sum is 51.

The square root of 54685977 is about 7394.9967545632. The cubic root of 54685977 is about 379.5700978517.

The spelling of 54685977 in words is "fifty-four million, six hundred eighty-five thousand, nine hundred seventy-seven".