53454520 has 32 divisors (see below), whose sum is σ = 137455200. Its totient is φ = 18327168.

The previous prime is 53454517. The next prime is 53454563. The reversal of 53454520 is 2545435.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 95175 + ... + 95734.

It is an arithmetic number, because the mean of its divisors is an integer number (4295475).

Almost surely, 2^53454520 is an apocalyptic number.

It is an amenable number.

53454520 is an abundant number, since it is smaller than the sum of its proper divisors (84000680).

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

53454520 is a wasteful number, since it uses less digits than its factorization.

53454520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190927 (or 190923 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 53454520 is about 7311.2598093625. The cubic root of 53454520 is about 376.6992984321.

Adding to 53454520 its reverse (2545435), we get a palindrome (55999955).

The spelling of 53454520 in words is "fifty-three million, four hundred fifty-four thousand, five hundred twenty".