52185474 has 48 divisors (see below), whose sum is σ = 123832800. Its totient is φ = 15751680.

The previous prime is 52185473. The next prime is 52185487. The reversal of 52185474 is 47458125.

52185474 is a `hidden beast` number, since 5 + 2 + 185 + 474 = 666.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52185473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88609 + ... + 89195.

It is an arithmetic number, because the mean of its divisors is an integer number (2579850).

Almost surely, 2^52185474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52185474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61916400).

52185474 is an abundant number, since it is smaller than the sum of its proper divisors (71647326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52185474 is a wasteful number, since it uses less digits than its factorization.

52185474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1052 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 52185474 is about 7223.9514117967. The cubic root of 52185474 is about 373.6943607589.

The spelling of 52185474 in words is "fifty-two million, one hundred eighty-five thousand, four hundred seventy-four".