54512125 has 8 divisors (see below), whose sum is σ = 68031288. Its totient is φ = 43609600.

The previous prime is 54512119. The next prime is 54512131. The reversal of 54512125 is 52121545.

It is an interprime number because it is at equal distance from previous prime (54512119) and next prime (54512131).

It can be written as a sum of positive squares in 4 ways, for example, as 8421604 + 46090521 = 2902^2 + 6789^2 .

It is not a de Polignac number, because 54512125 - 2¹⁵ = 54479357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54512125.

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, 217924 + ... + 218173.

It is an arithmetic number, because the mean of its divisors is an integer number (8503911).

Almost surely, 2^54512125 is an apocalyptic number.

It is an amenable number.

54512125 is a deficient number, since it is larger than the sum of its proper divisors (13519163).

54512125 is an equidigital number, since it uses as much as digits as its factorization.

54512125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436112 (or 436102 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 54512125 is about 7383.2326930688. The cubic root of 54512125 is about 379.1674408604.

The spelling of 54512125 in words is "fifty-four million, five hundred twelve thousand, one hundred twenty-five".