54052840 has 32 divisors (see below), whose sum is σ = 125544960. Its totient is φ = 20923200.

The previous prime is 54052813. The next prime is 54052841. The reversal of 54052840 is 4825045.

It is a junction number, because it is equal to n+sod(n) for n = 54052799 and 54052808.

It is not an unprimeable number, because it can be changed into a prime (54052841) 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, 20556 + ... + 23035.

It is an arithmetic number, because the mean of its divisors is an integer number (3923280).

Almost surely, 2^54052840 is an apocalyptic number.

It is an amenable number.

54052840 is an abundant number, since it is smaller than the sum of its proper divisors (71492120).

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

54052840 is a wasteful number, since it uses less digits than its factorization.

54052840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43633 (or 43629 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 54052840 is about 7352.0636558724. The cubic root of 54052840 is about 378.0995603858.

Adding to 54052840 its reverse (4825045), we get a palindrome (58877885).

The spelling of 54052840 in words is "fifty-four million, fifty-two thousand, eight hundred forty".