54128377 has 4 divisors (see below), whose sum is σ = 54367056. Its totient is φ = 53889700.

The previous prime is 54128339. The next prime is 54128461. The reversal of 54128377 is 77382145.

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 a de Polignac number, because none of the positive numbers 2^k-54128377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54128677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118999 + ... + 119452.

It is an arithmetic number, because the mean of its divisors is an integer number (13591764).

Almost surely, 2^54128377 is an apocalyptic number.

It is an amenable number.

54128377 is a deficient number, since it is larger than the sum of its proper divisors (238679).

54128377 is a wasteful number, since it uses less digits than its factorization.

54128377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238678.

The product of its digits is 47040, while the sum is 37.

The square root of 54128377 is about 7357.1989914641. The cubic root of 54128377 is about 378.2756054848.

The spelling of 54128377 in words is "fifty-four million, one hundred twenty-eight thousand, three hundred seventy-seven".