53545045 has 4 divisors (see below), whose sum is σ = 64254060. Its totient is φ = 42836032.

The previous prime is 53545039. The next prime is 53545069. The reversal of 53545045 is 54054535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54054535 = 5 ⋅10810907.

It can be written as a sum of positive squares in 2 ways, for example, as 42107121 + 11437924 = 6489^2 + 3382^2 .

It is a cyclic number.

It is not a de Polignac number, because 53545045 - 2⁵ = 53545013 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 53544998 and 53545016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5354500 + ... + 5354509.

It is an arithmetic number, because the mean of its divisors is an integer number (16063515).

Almost surely, 2^53545045 is an apocalyptic number.

It is an amenable number.

53545045 is a deficient number, since it is larger than the sum of its proper divisors (10709015).

53545045 is a wasteful number, since it uses less digits than its factorization.

53545045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709014.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 53545045 is about 7317.4479840994. The cubic root of 53545045 is about 376.9118247210.

The spelling of 53545045 in words is "fifty-three million, five hundred forty-five thousand, forty-five".