52421376 has 144 divisors (see below), whose sum is σ = 163520000. Its totient is φ = 14902272.

The previous prime is 52421371. The next prime is 52421431. The reversal of 52421376 is 67312425.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52421371) 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, 263325 + ... + 263523.

Almost surely, 2^52421376 is an apocalyptic number.

52421376 is a gapful number since it is divisible by the number (56) 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 52421376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81760000).

52421376 is an abundant number, since it is smaller than the sum of its proper divisors (111098624).

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

52421376 is an equidigital number, since it uses as much as digits as its factorization.

52421376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 211 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 52421376 is about 7240.2607687845. The cubic root of 52421376 is about 374.2566037168.

The spelling of 52421376 in words is "fifty-two million, four hundred twenty-one thousand, three hundred seventy-six".