52781874 has 16 divisors (see below), whose sum is σ = 105636960. Its totient is φ = 17581760.

The previous prime is 52781873. The next prime is 52781881. The reversal of 52781874 is 47818725.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52781873) 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, 12154 + ... + 15914.

It is an arithmetic number, because the mean of its divisors is an integer number (6602310).

Almost surely, 2^52781874 is an apocalyptic number.

52781874 is an abundant number, since it is smaller than the sum of its proper divisors (52855086).

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

52781874 is a wasteful number, since it uses less digits than its factorization.

52781874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105.

The product of its digits is 125440, while the sum is 42.

The square root of 52781874 is about 7265.1134884460. The cubic root of 52781874 is about 375.1125564350.

The spelling of 52781874 in words is "fifty-two million, seven hundred eighty-one thousand, eight hundred seventy-four".