54356556 has 48 divisors (see below), whose sum is σ = 132501600. Its totient is φ = 17321472.

The previous prime is 54356539. The next prime is 54356557. The reversal of 54356556 is 65565345.

It is a super-2 number, since 2×54356556² = 5909270360362272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (54356557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37216 + ... + 38648.

It is an arithmetic number, because the mean of its divisors is an integer number (2760450).

Almost surely, 2^54356556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54356556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66250800).

54356556 is an abundant number, since it is smaller than the sum of its proper divisors (78145044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54356556 is a wasteful number, since it uses less digits than its factorization.

54356556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1576 counting only the distinct ones).

The product of its digits is 270000, while the sum is 39.

The square root of 54356556 is about 7372.6898754796. The cubic root of 54356556 is about 378.8064025186.

The spelling of 54356556 in words is "fifty-four million, three hundred fifty-six thousand, five hundred fifty-six".