53478045 has 24 divisors (see below), whose sum is σ = 92913912. Its totient is φ = 28454400.

The previous prime is 53478031. The next prime is 53478077. The reversal of 53478045 is 54087435.

53478045 is a `hidden beast` number, since 534 + 7 + 80 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3606201 + 49871844 = 1899^2 + 7062^2 .

It is not a de Polignac number, because 53478045 - 2⁸ = 53477789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22305 + ... + 24585.

It is an arithmetic number, because the mean of its divisors is an integer number (3871413).

Almost surely, 2^53478045 is an apocalyptic number.

It is an amenable number.

53478045 is a deficient number, since it is larger than the sum of its proper divisors (39435867).

53478045 is a wasteful number, since it uses less digits than its factorization.

53478045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 53478045 is about 7312.8684522559. The cubic root of 53478045 is about 376.7545513293.

The spelling of 53478045 in words is "fifty-three million, four hundred seventy-eight thousand, forty-five".