54020940 has 24 divisors (see below), whose sum is σ = 151258800. Its totient is φ = 14405568.

The previous prime is 54020887. The next prime is 54020963. The reversal of 54020940 is 4902045.

It is a self number, because there is not a number n which added to its sum of digits gives 54020940.

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, 450115 + ... + 450234.

It is an arithmetic number, because the mean of its divisors is an integer number (6302450).

Almost surely, 2^54020940 is an apocalyptic number.

It is an amenable number.

54020940 is an abundant number, since it is smaller than the sum of its proper divisors (97237860).

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

54020940 is a wasteful number, since it uses less digits than its factorization.

54020940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900361 (or 900359 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 54020940 is about 7349.8938767849. The cubic root of 54020940 is about 378.0251655931.

Adding to 54020940 its reverse (4902045), we get a palindrome (58922985).

The spelling of 54020940 in words is "fifty-four million, twenty thousand, nine hundred forty".