53477248 has 64 divisors (see below), whose sum is σ = 122400000. Its totient is φ = 23016960.

The previous prime is 53477239. The next prime is 53477261. The reversal of 53477248 is 84277435.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 53477248.

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, 25753 + ... + 27751.

It is an arithmetic number, because the mean of its divisors is an integer number (1912500).

Almost surely, 2^53477248 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 53477248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61200000).

53477248 is an abundant number, since it is smaller than the sum of its proper divisors (68922752).

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

53477248 is a wasteful number, since it uses less digits than its factorization.

53477248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2031 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 53477248 is about 7312.8139590721. The cubic root of 53477248 is about 376.7526796897.

The spelling of 53477248 in words is "fifty-three million, four hundred seventy-seven thousand, two hundred forty-eight".