53345525 has 6 divisors (see below), whose sum is σ = 66148482. Its totient is φ = 42676400.

The previous prime is 53345497. The next prime is 53345531. The reversal of 53345525 is 52554335.

It can be written as a sum of positive squares in 3 ways, for example, as 12103441 + 41242084 = 3479^2 + 6422^2 .

It is not a de Polignac number, because 53345525 - 2¹⁴ = 53329141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53345491 and 53345500.

It is a congruent number.

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, 1066886 + ... + 1066935.

It is an arithmetic number, because the mean of its divisors is an integer number (11024747).

Almost surely, 2^53345525 is an apocalyptic number.

It is an amenable number.

53345525 is a deficient number, since it is larger than the sum of its proper divisors (12802957).

53345525 is a wasteful number, since it uses less digits than its factorization.

53345525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133831 (or 2133826 counting only the distinct ones).

The product of its digits is 45000, while the sum is 32.

The square root of 53345525 is about 7303.8020920614. The cubic root of 53345525 is about 376.4430913611.

The spelling of 53345525 in words is "fifty-three million, three hundred forty-five thousand, five hundred twenty-five".