54311578 has 8 divisors (see below), whose sum is σ = 81511668. Its totient is φ = 27141024.

The previous prime is 54311567. The next prime is 54311581. The reversal of 54311578 is 87511345.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49744809 + 4566769 = 7053^2 + 2137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001 + ... + 10612.

Almost surely, 2^54311578 is an apocalyptic number.

54311578 is a deficient number, since it is larger than the sum of its proper divisors (27200090).

54311578 is a wasteful number, since it uses less digits than its factorization.

54311578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14768.

The product of its digits is 16800, while the sum is 34.

The square root of 54311578 is about 7369.6389328108. The cubic root of 54311578 is about 378.7018910164.

It can be divided in two parts, 543 and 11578, that added together give a palindrome (12121).

The spelling of 54311578 in words is "fifty-four million, three hundred eleven thousand, five hundred seventy-eight".