54561958 has 16 divisors (see below), whose sum is σ = 93983040. Its totient is φ = 23495400.

The previous prime is 54561943. The next prime is 54561967. The reversal of 54561958 is 85916545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64848 + ... + 65683.

It is an arithmetic number, because the mean of its divisors is an integer number (5873940).

Almost surely, 2^54561958 is an apocalyptic number.

54561958 is a deficient number, since it is larger than the sum of its proper divisors (39421082).

54561958 is a wasteful number, since it uses less digits than its factorization.

54561958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130563.

The product of its digits is 216000, while the sum is 43.

The square root of 54561958 is about 7386.6066634145. The cubic root of 54561958 is about 379.2829460272.

The spelling of 54561958 in words is "fifty-four million, five hundred sixty-one thousand, nine hundred fifty-eight".