52198420 has 24 divisors (see below), whose sum is σ = 113154048. Its totient is φ = 20205600.

The previous prime is 52198403. The next prime is 52198441. The reversal of 52198420 is 2489125.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 41476 + ... + 42715.

It is an arithmetic number, because the mean of its divisors is an integer number (4714752).

Almost surely, 2^52198420 is an apocalyptic number.

It is an amenable number.

52198420 is an abundant number, since it is smaller than the sum of its proper divisors (60955628).

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

52198420 is a wasteful number, since it uses less digits than its factorization.

52198420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84231 (or 84229 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 52198420 is about 7224.8474032328. The cubic root of 52198420 is about 373.7252598248.

The spelling of 52198420 in words is "fifty-two million, one hundred ninety-eight thousand, four hundred twenty".