54670665 has 32 divisors (see below), whose sum is σ = 100270080. Its totient is φ = 24917184.

The previous prime is 54670663. The next prime is 54670667. The reversal of 54670665 is 56607645.

It is an interprime number because it is at equal distance from previous prime (54670663) and next prime (54670667).

It is not a de Polignac number, because 54670665 - 2¹ = 54670663 is a prime.

It is a super-2 number, since 2×54670665² = 5977763223084450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54670661) 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 31 ways as a sum of consecutive naturals, for example, 49752 + ... + 50838.

It is an arithmetic number, because the mean of its divisors is an integer number (3133440).

Almost surely, 2^54670665 is an apocalyptic number.

It is an amenable number.

54670665 is a deficient number, since it is larger than the sum of its proper divisors (45599415).

54670665 is a wasteful number, since it uses less digits than its factorization.

54670665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 54670665 is about 7393.9613875108. The cubic root of 54670665 is about 379.5346681725.

The spelling of 54670665 in words is "fifty-four million, six hundred seventy thousand, six hundred sixty-five".