53500392 has 192 divisors, whose sum is σ = 172368000. Its totient is φ = 15333120.

The previous prime is 53500339. The next prime is 53500393. The reversal of 53500392 is 29300535.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53500393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 601084 + ... + 601172.

It is an arithmetic number, because the mean of its divisors is an integer number (897750).

Almost surely, 2^53500392 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 53500392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86184000).

53500392 is an abundant number, since it is smaller than the sum of its proper divisors (118867608).

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

53500392 is a wasteful number, since it uses less digits than its factorization.

53500392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 53500392 is about 7314.3962156832. The cubic root of 53500392 is about 376.8070224664.

It can be divided in two parts, 535003 and 92, that added together give a triangular number (535095 = T₁₀₃₄).

The spelling of 53500392 in words is "fifty-three million, five hundred thousand, three hundred ninety-two".