54377915 has 4 divisors (see below), whose sum is σ = 65253504. Its totient is φ = 43502328.

The previous prime is 54377899. The next prime is 54377993. The reversal of 54377915 is 51977345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54377915 - 2⁴ = 54377899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5437787 + ... + 5437796.

It is an arithmetic number, because the mean of its divisors is an integer number (16313376).

Almost surely, 2^54377915 is an apocalyptic number.

54377915 is a deficient number, since it is larger than the sum of its proper divisors (10875589).

54377915 is a wasteful number, since it uses less digits than its factorization.

54377915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875588.

The product of its digits is 132300, while the sum is 41.

The square root of 54377915 is about 7374.1382547387. The cubic root of 54377915 is about 378.8560123971.

The spelling of 54377915 in words is "fifty-four million, three hundred seventy-seven thousand, nine hundred fifteen".