54645586 has 4 divisors (see below), whose sum is σ = 81968382. Its totient is φ = 27322792.

The previous prime is 54645571. The next prime is 54645593. The reversal of 54645586 is 68554645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68554645 = 5 ⋅13710929.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 18224361 = 6035^2 + 4269^2 .

It is a super-2 number, since 2×54645586² = 5972280138566792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13661395 + ... + 13661398.

Almost surely, 2^54645586 is an apocalyptic number.

54645586 is a deficient number, since it is larger than the sum of its proper divisors (27322796).

54645586 is a wasteful number, since it uses less digits than its factorization.

54645586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27322795.

The product of its digits is 576000, while the sum is 43.

The square root of 54645586 is about 7392.2652820364. The cubic root of 54645586 is about 379.4766248217.

The spelling of 54645586 in words is "fifty-four million, six hundred forty-five thousand, five hundred eighty-six".