54015625 has 14 divisors (see below), whose sum is σ = 67538198. Its totient is φ = 43200000.

The previous prime is 54015587. The next prime is 54015631. The reversal of 54015625 is 52651045.

It can be written as a sum of positive squares in 7 ways, for example, as 47114496 + 6901129 = 6864^2 + 2627^2 .

It is not a de Polignac number, because 54015625 - 2⁷ = 54015497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54015593 and 54015602.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 13897 + ... + 17353.

It is an arithmetic number, because the mean of its divisors is an integer number (4824157).

Almost surely, 2^54015625 is an apocalyptic number.

It is an amenable number.

54015625 is a deficient number, since it is larger than the sum of its proper divisors (13522573).

54015625 is an frugal number, since it uses more digits than its factorization.

54015625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487 (or 3462 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 54015625 is about 7349.5322980445. The cubic root of 54015625 is about 378.0127675017.

It can be divided in two parts, 5401 and 5625, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 54015625 in words is "fifty-four million, fifteen thousand, six hundred twenty-five".