53878500 has 192 divisors, whose sum is σ = 188348160. Its totient is φ = 13219200.

The previous prime is 53878499. The next prime is 53878501. The reversal of 53878500 is 587835.

It is a happy number.

53878500 is a `hidden beast` number, since 538 + 78 + 50 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (53878499) and next prime (53878501).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53878501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175347 + ... + 175653.

It is an arithmetic number, because the mean of its divisors is an integer number (980980).

Almost surely, 2^53878500 is an apocalyptic number.

53878500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53878500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94174080).

53878500 is an abundant number, since it is smaller than the sum of its proper divisors (134469660).

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

53878500 is a wasteful number, since it uses less digits than its factorization.

53878500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 53878500 is about 7340.1975450256. The cubic root of 53878500 is about 377.6926198544.

The spelling of 53878500 in words is "fifty-three million, eight hundred seventy-eight thousand, five hundred".