56315045 has 4 divisors (see below), whose sum is σ = 67578060. Its totient is φ = 45052032.

The previous prime is 56315027. The next prime is 56315053. The reversal of 56315045 is 54051365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54051365 = 5 ⋅10810273.

It can be written as a sum of positive squares in 2 ways, for example, as 41190724 + 15124321 = 6418^2 + 3889^2 .

It is a cyclic number.

It is not a de Polignac number, because 56315045 - 2⁶ = 56314981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56314999 and 56315017.

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, 5631500 + ... + 5631509.

It is an arithmetic number, because the mean of its divisors is an integer number (16894515).

Almost surely, 2^56315045 is an apocalyptic number.

It is an amenable number.

56315045 is a deficient number, since it is larger than the sum of its proper divisors (11263015).

56315045 is a wasteful number, since it uses less digits than its factorization.

56315045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11263014.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 56315045 is about 7504.3350804718. The cubic root of 56315045 is about 383.3023470017.

The spelling of 56315045 in words is "fifty-six million, three hundred fifteen thousand, forty-five".