53373450 has 96 divisors (see below), whose sum is σ = 144490752. Its totient is φ = 12960000.

The previous prime is 53373443. The next prime is 53373457. The reversal of 53373450 is 5437335.

It is an interprime number because it is at equal distance from previous prime (53373443) and next prime (53373457).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (53373457) 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, 196815 + ... + 197085.

It is an arithmetic number, because the mean of its divisors is an integer number (1505112).

Almost surely, 2^53373450 is an apocalyptic number.

53373450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53373450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72245376).

53373450 is an abundant number, since it is smaller than the sum of its proper divisors (91117302).

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

53373450 is a wasteful number, since it uses less digits than its factorization.

53373450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 53373450 is about 7305.7135175149. The cubic root of 53373450 is about 376.5087659707.

The spelling of 53373450 in words is "fifty-three million, three hundred seventy-three thousand, four hundred fifty".