52871490 has 144 divisors (see below), whose sum is σ = 168592320. Its totient is φ = 11430720.

The previous prime is 52871473. The next prime is 52871501. The reversal of 52871490 is 9417825.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83475 + ... + 84105.

It is an arithmetic number, because the mean of its divisors is an integer number (1170780).

Almost surely, 2^52871490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52871490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84296160).

52871490 is an abundant number, since it is smaller than the sum of its proper divisors (115720830).

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

52871490 is a wasteful number, since it uses less digits than its factorization.

52871490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 52871490 is about 7271.2784295473. The cubic root of 52871490 is about 375.3247320498.

It can be divided in two parts, 52871 and 490, that added together give a square (53361 = 231²).

The spelling of 52871490 in words is "fifty-two million, eight hundred seventy-one thousand, four hundred ninety".