56204545 has 8 divisors (see below), whose sum is σ = 67490280. Its totient is φ = 44933760.

The previous prime is 56204543. The next prime is 56204549. The reversal of 56204545 is 54540265.

It can be written as a sum of positive squares in 4 ways, for example, as 10601536 + 45603009 = 3256^2 + 6753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56204545 - 2¹ = 56204543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56204543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7755 + ... + 13135.

It is an arithmetic number, because the mean of its divisors is an integer number (8436285).

Almost surely, 2^56204545 is an apocalyptic number.

It is an amenable number.

56204545 is a deficient number, since it is larger than the sum of its proper divisors (11285735).

56204545 is a wasteful number, since it uses less digits than its factorization.

56204545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7475.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 56204545 is about 7496.9690542245. The cubic root of 56204545 is about 383.0514806943.

The spelling of 56204545 in words is "fifty-six million, two hundred four thousand, five hundred forty-five".