53321548 has 48 divisors (see below), whose sum is σ = 110919424. Its totient is φ = 21954240.

The previous prime is 53321533. The next prime is 53321549. The reversal of 53321548 is 84512335.

It is a super-2 number, since 2×53321548² = 5686374962232608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53321549) 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, 80338 + ... + 80998.

Almost surely, 2^53321548 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 53321548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55459712).

53321548 is an abundant number, since it is smaller than the sum of its proper divisors (57597876).

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

53321548 is a wasteful number, since it uses less digits than its factorization.

53321548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 780 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 53321548 is about 7302.1605022075. The cubic root of 53321548 is about 376.3866834517.

The spelling of 53321548 in words is "fifty-three million, three hundred twenty-one thousand, five hundred forty-eight".