53154520 has 16 divisors (see below), whose sum is σ = 119597760. Its totient is φ = 21261792.

The previous prime is 53154511. The next prime is 53154551. The reversal of 53154520 is 2545135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664392 + ... + 664471.

It is an arithmetic number, because the mean of its divisors is an integer number (7474860).

Almost surely, 2^53154520 is an apocalyptic number.

It is an amenable number.

53154520 is an abundant number, since it is smaller than the sum of its proper divisors (66443240).

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

53154520 is a wasteful number, since it uses less digits than its factorization.

53154520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328874 (or 1328870 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 53154520 is about 7290.7146426122. The cubic root of 53154520 is about 375.9932660632.

Adding to 53154520 its reverse (2545135), we get a palindrome (55699655).

The spelling of 53154520 in words is "fifty-three million, one hundred fifty-four thousand, five hundred twenty".