53345145 has 64 divisors (see below), whose sum is σ = 101376000. Its totient is φ = 23452416.

The previous prime is 53345137. The next prime is 53345161. The reversal of 53345145 is 54154335.

It is not a de Polignac number, because 53345145 - 2³ = 53345137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 489351 + ... + 489459.

It is an arithmetic number, because the mean of its divisors is an integer number (1584000).

Almost surely, 2^53345145 is an apocalyptic number.

It is an amenable number.

53345145 is a deficient number, since it is larger than the sum of its proper divisors (48030855).

53345145 is a wasteful number, since it uses less digits than its factorization.

53345145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262.

The product of its digits is 18000, while the sum is 30.

The square root of 53345145 is about 7303.7760781667. The cubic root of 53345145 is about 376.4421975110.

The spelling of 53345145 in words is "fifty-three million, three hundred forty-five thousand, one hundred forty-five".