53411240 has 32 divisors (see below), whose sum is σ = 120821760. Its totient is φ = 21249600.

The previous prime is 53411219. The next prime is 53411249. The reversal of 53411240 is 4211435.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (53411249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4145 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (3775680).

Almost surely, 2^53411240 is an apocalyptic number.

It is an amenable number.

53411240 is an abundant number, since it is smaller than the sum of its proper divisors (67410520).

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

53411240 is a wasteful number, since it uses less digits than its factorization.

53411240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7193 (or 7189 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 53411240 is about 7308.2993917874. The cubic root of 53411240 is about 376.5976048320.

Adding to 53411240 its reverse (4211435), we get a palindrome (57622675).

The spelling of 53411240 in words is "fifty-three million, four hundred eleven thousand, two hundred forty".