54215746 has 8 divisors (see below), whose sum is σ = 87579324. Its totient is φ = 25022640.

The previous prime is 54215743. The next prime is 54215747. The reversal of 54215746 is 64751245.

It can be written as a sum of positive squares in 2 ways, for example, as 39200121 + 15015625 = 6261^2 + 3875^2 .

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

It is a super-2 number, since 2×54215746² = 5878694228673032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54215741) 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, 1042585 + ... + 1042636.

Almost surely, 2^54215746 is an apocalyptic number.

54215746 is a deficient number, since it is larger than the sum of its proper divisors (33363578).

54215746 is a wasteful number, since it uses less digits than its factorization.

54215746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085236.

The product of its digits is 33600, while the sum is 34.

The square root of 54215746 is about 7363.1342511189. The cubic root of 54215746 is about 378.4790218644.

The spelling of 54215746 in words is "fifty-four million, two hundred fifteen thousand, seven hundred forty-six".