53263800 has 144 divisors (see below), whose sum is σ = 181059840. Its totient is φ = 14031360.

The previous prime is 53263787. The next prime is 53263813. The reversal of 53263800 is 836235.

It is an interprime number because it is at equal distance from previous prime (53263787) and next prime (53263813).

It is a super-3 number, since 3×53263800³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 228484 + ... + 228716.

It is an arithmetic number, because the mean of its divisors is an integer number (1257360).

Almost surely, 2^53263800 is an apocalyptic number.

53263800 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 53263800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90529920).

53263800 is an abundant number, since it is smaller than the sum of its proper divisors (127796040).

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

53263800 is a wasteful number, since it uses less digits than its factorization.

53263800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53263800 is about 7298.2052588290. The cubic root of 53263800 is about 376.2507569806.

The spelling of 53263800 in words is "fifty-three million, two hundred sixty-three thousand, eight hundred".