53554520 has 16 divisors (see below), whose sum is σ = 120497760. Its totient is φ = 21421792.

The previous prime is 53554517. The next prime is 53554531. The reversal of 53554520 is 2545535.

It is a happy number.

It is a super-2 number, since 2×53554520² = 5736173224860800, which contains 22 as substring.

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, 669392 + ... + 669471.

It is an arithmetic number, because the mean of its divisors is an integer number (7531110).

Almost surely, 2^53554520 is an apocalyptic number.

It is an amenable number.

53554520 is an abundant number, since it is smaller than the sum of its proper divisors (66943240).

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

53554520 is a wasteful number, since it uses less digits than its factorization.

53554520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338874 (or 1338870 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 53554520 is about 7318.0953806301. The cubic root of 53554520 is about 376.9340554049.

It can be divided in two parts, 535 and 54520, that added together give a palindrome (55055).

The spelling of 53554520 in words is "fifty-three million, five hundred fifty-four thousand, five hundred twenty".