53424025 has 12 divisors (see below), whose sum is σ = 67862844. Its totient is φ = 41696000.

The previous prime is 53424023. The next prime is 53424043. The reversal of 53424025 is 52042435.

It can be written as a sum of positive squares in 6 ways, for example, as 4717584 + 48706441 = 2172^2 + 6979^2 .

It is not a de Polignac number, because 53424025 - 2¹ = 53424023 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (53424023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25036 + ... + 27085.

It is an arithmetic number, because the mean of its divisors is an integer number (5655237).

Almost surely, 2^53424025 is an apocalyptic number.

It is an amenable number.

53424025 is a deficient number, since it is larger than the sum of its proper divisors (14438819).

53424025 is a wasteful number, since it uses less digits than its factorization.

53424025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52172 (or 52167 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 53424025 is about 7309.1740299435. The cubic root of 53424025 is about 376.6276510436.

The spelling of 53424025 in words is "fifty-three million, four hundred twenty-four thousand, twenty-five".