53984645 has 16 divisors (see below), whose sum is σ = 76108032. Its totient is φ = 36240960.

The previous prime is 53984627. The next prime is 53984653. The reversal of 53984645 is 54648935.

It is not a de Polignac number, because 53984645 - 2¹⁴ = 53968261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53984596 and 53984605.

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, 37037 + ... + 38466.

It is an arithmetic number, because the mean of its divisors is an integer number (4756752).

Almost surely, 2^53984645 is an apocalyptic number.

53984645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53984645 is a deficient number, since it is larger than the sum of its proper divisors (22123387).

53984645 is a wasteful number, since it uses less digits than its factorization.

53984645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75532.

The product of its digits is 518400, while the sum is 44.

The square root of 53984645 is about 7347.4243786513. The cubic root of 53984645 is about 377.9404854838.

It can be divided in two parts, 539 and 84645, that added together give a cube (85184 = 44³).

The spelling of 53984645 in words is "fifty-three million, nine hundred eighty-four thousand, six hundred forty-five".