54355540 has 24 divisors (see below), whose sum is σ = 114338952. Its totient is φ = 21705600.

The previous prime is 54355537. The next prime is 54355549. The reversal of 54355540 is 4555345.

It can be written as a sum of positive squares in 4 ways, for example, as 8088336 + 46267204 = 2844^2 + 6802^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54355549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12082 + ... + 15958.

It is an arithmetic number, because the mean of its divisors is an integer number (4764123).

Almost surely, 2^54355540 is an apocalyptic number.

It is an amenable number.

54355540 is an abundant number, since it is smaller than the sum of its proper divisors (59983412).

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

54355540 is a wasteful number, since it uses less digits than its factorization.

54355540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4585 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 54355540 is about 7372.6209722188. The cubic root of 54355540 is about 378.8040423635.

The spelling of 54355540 in words is "fifty-four million, three hundred fifty-five thousand, five hundred forty".