52167420 has 72 divisors (see below), whose sum is σ = 163363200. Its totient is φ = 13461120.

The previous prime is 52167419. The next prime is 52167421. The reversal of 52167420 is 2476125.

It is an interprime number because it is at equal distance from previous prime (52167419) and next prime (52167421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52167421) 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, 906 + ... + 10254.

Almost surely, 2^52167420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52167420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81681600).

52167420 is an abundant number, since it is smaller than the sum of its proper divisors (111195780).

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

52167420 is a wasteful number, since it uses less digits than its factorization.

52167420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395 (or 9390 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52167420 is about 7222.7017105789. The cubic root of 52167420 is about 373.6512615613.

The spelling of 52167420 in words is "fifty-two million, one hundred sixty-seven thousand, four hundred twenty".