53984740 has 24 divisors (see below), whose sum is σ = 115509240. Its totient is φ = 21186048.

The previous prime is 53984731. The next prime is 53984743. The reversal of 53984740 is 4748935.

It can be written as a sum of positive squares in 4 ways, for example, as 1364224 + 52620516 = 1168^2 + 7254^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53984693 and 53984702.

It is not an unprimeable number, because it can be changed into a prime (53984743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24405 + ... + 26524.

It is an arithmetic number, because the mean of its divisors is an integer number (4812885).

Almost surely, 2^53984740 is an apocalyptic number.

It is an amenable number.

53984740 is an abundant number, since it is smaller than the sum of its proper divisors (61524500).

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

53984740 is a wasteful number, since it uses less digits than its factorization.

53984740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50991 (or 50989 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 53984740 is about 7347.4308434990. The cubic root of 53984740 is about 377.9407071785.

The spelling of 53984740 in words is "fifty-three million, nine hundred eighty-four thousand, seven hundred forty".