53546345 has 16 divisors (see below), whose sum is σ = 68212368. Its totient is φ = 40212480.

The previous prime is 53546329. The next prime is 53546387. The reversal of 53546345 is 54364535.

It can be written as a sum of positive squares in 8 ways, for example, as 1893376 + 51652969 = 1376^2 + 7187^2 .

It is not a de Polignac number, because 53546345 - 2⁴ = 53546329 is a prime.

It is a super-2 number, since 2×53546345² = 5734422125718050, which contains 22 as substring.

It is a Duffinian 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, 51935 + ... + 52955.

It is an arithmetic number, because the mean of its divisors is an integer number (4263273).

Almost surely, 2^53546345 is an apocalyptic number.

It is an amenable number.

53546345 is a deficient number, since it is larger than the sum of its proper divisors (14666023).

53546345 is a wasteful number, since it uses less digits than its factorization.

53546345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its digits is 108000, while the sum is 35.

The square root of 53546345 is about 7317.5368123433. The cubic root of 53546345 is about 376.9148749964.

The spelling of 53546345 in words is "fifty-three million, five hundred forty-six thousand, three hundred forty-five".