53770025 has 6 divisors (see below), whose sum is σ = 66674862. Its totient is φ = 43016000.

The previous prime is 53770009. The next prime is 53770039. The reversal of 53770025 is 52007735.

It can be written as a sum of positive squares in 3 ways, for example, as 5938969 + 47831056 = 2437^2 + 6916^2 .

It is not a de Polignac number, because 53770025 - 2⁴ = 53770009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53770025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1075376 + ... + 1075425.

It is an arithmetic number, because the mean of its divisors is an integer number (11112477).

Almost surely, 2^53770025 is an apocalyptic number.

It is an amenable number.

53770025 is a deficient number, since it is larger than the sum of its proper divisors (12904837).

53770025 is a wasteful number, since it uses less digits than its factorization.

53770025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150811 (or 2150806 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 53770025 is about 7332.8047157960. The cubic root of 53770025 is about 377.4389767302.

The spelling of 53770025 in words is "fifty-three million, seven hundred seventy thousand, twenty-five".