53407560 has 128 divisors (see below), whose sum is σ = 168480000. Its totient is φ = 13526016.

The previous prime is 53407559. The next prime is 53407573. The reversal of 53407560 is 6570435.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358366 + ... + 358514.

It is an arithmetic number, because the mean of its divisors is an integer number (1316250).

Almost surely, 2^53407560 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 53407560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84240000).

53407560 is an abundant number, since it is smaller than the sum of its proper divisors (115072440).

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

53407560 is a wasteful number, since it uses less digits than its factorization.

53407560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 53407560 is about 7308.0476188925. The cubic root of 53407560 is about 376.5889555227.

Adding to 53407560 its reverse (6570435), we get a palindrome (59977995).

The spelling of 53407560 in words is "fifty-three million, four hundred seven thousand, five hundred sixty".