53455345 has 16 divisors (see below), whose sum is σ = 65561040. Its totient is φ = 41831424.

The previous prime is 53455313. The next prime is 53455397. The reversal of 53455345 is 54355435.

It can be written as a sum of positive squares in 8 ways, for example, as 4624 + 53450721 = 68^2 + 7311^2 .

It is a cyclic number.

It is not a de Polignac number, because 53455345 - 2⁵ = 53455313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53455345.

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, 49471 + ... + 50539.

It is an arithmetic number, because the mean of its divisors is an integer number (4097565).

Almost surely, 2^53455345 is an apocalyptic number.

It is an amenable number.

53455345 is a deficient number, since it is larger than the sum of its proper divisors (12105695).

53455345 is a wasteful number, since it uses less digits than its factorization.

53455345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its digits is 90000, while the sum is 34.

The square root of 53455345 is about 7311.3162289700. The cubic root of 53455345 is about 376.7012363743.

The spelling of 53455345 in words is "fifty-three million, four hundred fifty-five thousand, three hundred forty-five".