54520285 has 8 divisors (see below), whose sum is σ = 65474136. Its totient is φ = 43583040.

The previous prime is 54520267. The next prime is 54520303. The reversal of 54520285 is 58202545.

It is an interprime number because it is at equal distance from previous prime (54520267) and next prime (54520303).

It can be written as a sum of positive squares in 4 ways, for example, as 4351396 + 50168889 = 2086^2 + 7083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54520285 - 2⁷ = 54520157 is a prime.

It is a super-2 number, since 2×54520285² = 5944922952962450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4855 + ... + 11515.

It is an arithmetic number, because the mean of its divisors is an integer number (8184267).

Almost surely, 2^54520285 is an apocalyptic number.

It is an amenable number.

54520285 is a deficient number, since it is larger than the sum of its proper divisors (10953851).

54520285 is a wasteful number, since it uses less digits than its factorization.

54520285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 54520285 is about 7383.7852758595. The cubic root of 54520285 is about 379.1863592933.

The spelling of 54520285 in words is "fifty-four million, five hundred twenty thousand, two hundred eighty-five".