53321748 has 24 divisors (see below), whose sum is σ = 124602240. Its totient is φ = 17747520.

The previous prime is 53321731. The next prime is 53321777. The reversal of 53321748 is 84712335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6213 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (5191760).

Almost surely, 2^53321748 is an apocalyptic number.

It is an amenable number.

53321748 is an abundant number, since it is smaller than the sum of its proper divisors (71280492).

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

53321748 is a wasteful number, since it uses less digits than its factorization.

53321748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607 (or 6605 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 53321748 is about 7302.1741967718. The cubic root of 53321748 is about 376.3871540385.

It can be divided in two parts, 5 and 3321748, that added together give a triangular number (3321753 = T₂₅₇₇).

The spelling of 53321748 in words is "fifty-three million, three hundred twenty-one thousand, seven hundred forty-eight".