52719540 has 24 divisors (see below), whose sum is σ = 147614880. Its totient is φ = 14058528.

The previous prime is 52719539. The next prime is 52719551. The reversal of 52719540 is 4591725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439270 + ... + 439389.

It is an arithmetic number, because the mean of its divisors is an integer number (6150620).

Almost surely, 2^52719540 is an apocalyptic number.

It is an amenable number.

52719540 is an abundant number, since it is smaller than the sum of its proper divisors (94895340).

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

52719540 is a wasteful number, since it uses less digits than its factorization.

52719540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878671 (or 878669 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 52719540 is about 7260.8222674846. The cubic root of 52719540 is about 374.9648322576.

The spelling of 52719540 in words is "fifty-two million, seven hundred nineteen thousand, five hundred forty".