53958645 has 24 divisors (see below), whose sum is σ = 100723896. Its totient is φ = 26563968.

The previous prime is 53958643. The next prime is 53958649. The reversal of 53958645 is 54685935.

53958645 is a `hidden beast` number, since 539 + 58 + 64 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 288369 + 53670276 = 537^2 + 7326^2 .

It is not a de Polignac number, because 53958645 - 2¹ = 53958643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53958645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53958643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45534 + ... + 46703.

It is an arithmetic number, because the mean of its divisors is an integer number (4196829).

Almost surely, 2^53958645 is an apocalyptic number.

It is an amenable number.

53958645 is a deficient number, since it is larger than the sum of its proper divisors (46765251).

53958645 is a wasteful number, since it uses less digits than its factorization.

53958645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92261 (or 92258 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 53958645 is about 7345.6548380658. The cubic root of 53958645 is about 377.8798013728.

The spelling of 53958645 in words is "fifty-three million, nine hundred fifty-eight thousand, six hundred forty-five".