54445946 has 8 divisors (see below), whose sum is σ = 83210004. Its totient is φ = 26709280.

The previous prime is 54445943. The next prime is 54445949. The reversal of 54445946 is 64954445.

It is an interprime number because it is at equal distance from previous prime (54445943) and next prime (54445949).

It can be written as a sum of positive squares in 2 ways, for example, as 53655625 + 790321 = 7325^2 + 889^2 .

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

It is a super-2 number, since 2×54445946² = 5928722071669832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54445943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256715 + ... + 256926.

Almost surely, 2^54445946 is an apocalyptic number.

54445946 is a deficient number, since it is larger than the sum of its proper divisors (28764058).

54445946 is a wasteful number, since it uses less digits than its factorization.

54445946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513696.

The product of its digits is 345600, while the sum is 41.

The square root of 54445946 is about 7378.7496230730. The cubic root of 54445946 is about 379.0139393327.

The spelling of 54445946 in words is "fifty-four million, four hundred forty-five thousand, nine hundred forty-six".