52554481 has 4 divisors (see below), whose sum is σ = 60062272. Its totient is φ = 45046692.

The previous prime is 52554473. The next prime is 52554499. The reversal of 52554481 is 18445525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52554481 - 2³ = 52554473 is a prime.

It is a super-2 number, since 2×52554481² = 5523946946358722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52554421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3753885 + ... + 3753898.

It is an arithmetic number, because the mean of its divisors is an integer number (15015568).

Almost surely, 2^52554481 is an apocalyptic number.

It is an amenable number.

52554481 is a deficient number, since it is larger than the sum of its proper divisors (7507791).

52554481 is an equidigital number, since it uses as much as digits as its factorization.

52554481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507790.

The product of its digits is 32000, while the sum is 34.

The square root of 52554481 is about 7249.4469444227. The cubic root of 52554481 is about 374.5730987913.

It can be divided in two parts, 525544 and 81, that added together give a square (525625 = 725²).

The spelling of 52554481 in words is "fifty-two million, five hundred fifty-four thousand, four hundred eighty-one".