52198620 has 48 divisors (see below), whose sum is σ = 146549760. Its totient is φ = 13882176.

The previous prime is 52198609. The next prime is 52198621. The reversal of 52198620 is 2689125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52198621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26841 + ... + 28719.

It is an arithmetic number, because the mean of its divisors is an integer number (3053120).

Almost surely, 2^52198620 is an apocalyptic number.

It is an amenable number.

52198620 is an abundant number, since it is smaller than the sum of its proper divisors (94351140).

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

52198620 is a wasteful number, since it uses less digits than its factorization.

52198620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 52198620 is about 7224.8612443423. The cubic root of 52198620 is about 373.7257371378.

Adding to 52198620 its sum of digits (33), we get a triangular number (52198653 = T₁₀₂₁₇).

The spelling of 52198620 in words is "fifty-two million, one hundred ninety-eight thousand, six hundred twenty".