52719870 has 128 divisors (see below), whose sum is σ = 155151360. Its totient is φ = 11197440.

The previous prime is 52719869. The next prime is 52719881. The reversal of 52719870 is 7891725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 291180 + ... + 291360.

It is an arithmetic number, because the mean of its divisors is an integer number (1212120).

Almost surely, 2^52719870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52719870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77575680).

52719870 is an abundant number, since it is smaller than the sum of its proper divisors (102431490).

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

52719870 is a wasteful number, since it uses less digits than its factorization.

52719870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 52719870 is about 7260.8449921480. The cubic root of 52719870 is about 374.9656146249.

The spelling of 52719870 in words is "fifty-two million, seven hundred nineteen thousand, eight hundred seventy".