54503820 has 96 divisors (see below), whose sum is σ = 193804800. Its totient is φ = 12457152.

The previous prime is 54503807. The next prime is 54503821. The reversal of 54503820 is 2830545.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54503821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3430 + ... + 10989.

It is an arithmetic number, because the mean of its divisors is an integer number (2018800).

Almost surely, 2^54503820 is an apocalyptic number.

It is an amenable number.

54503820 is an abundant number, since it is smaller than the sum of its proper divisors (139300980).

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

54503820 is a wasteful number, since it uses less digits than its factorization.

54503820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444 (or 14436 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 54503820 is about 7382.6702486296. The cubic root of 54503820 is about 379.1481843156.

The spelling of 54503820 in words is "fifty-four million, five hundred three thousand, eight hundred twenty".