53944500 has 48 divisors (see below), whose sum is σ = 157090752. Its totient is φ = 14384800.

The previous prime is 53944493. The next prime is 53944529. The reversal of 53944500 is 544935.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16482 + ... + 19481.

It is an arithmetic number, because the mean of its divisors is an integer number (3272724).

Almost surely, 2^53944500 is an apocalyptic number.

53944500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53944500 is an abundant number, since it is smaller than the sum of its proper divisors (103146252).

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

53944500 is a wasteful number, since it uses less digits than its factorization.

53944500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35985 (or 35973 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 53944500 is about 7344.6919608653. The cubic root of 53944500 is about 377.8467786945.

The spelling of 53944500 in words is "fifty-three million, nine hundred forty-four thousand, five hundred".