54661358 has 16 divisors (see below), whose sum is σ = 89163504. Its totient is φ = 25027200.

The previous prime is 54661357. The next prime is 54661421. The reversal of 54661358 is 85316645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54661351) 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 7 ways as a sum of consecutive naturals, for example, 20468 + ... + 22983.

It is an arithmetic number, because the mean of its divisors is an integer number (5572719).

Almost surely, 2^54661358 is an apocalyptic number.

54661358 is a deficient number, since it is larger than the sum of its proper divisors (34502146).

54661358 is a wasteful number, since it uses less digits than its factorization.

54661358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43507.

The product of its digits is 86400, while the sum is 38.

The square root of 54661358 is about 7393.3319957919. The cubic root of 54661358 is about 379.5131299331.

The spelling of 54661358 in words is "fifty-four million, six hundred sixty-one thousand, three hundred fifty-eight".