53061505 has 32 divisors (see below), whose sum is σ = 77573376. Its totient is φ = 34013184.

The previous prime is 53061499. The next prime is 53061517. The reversal of 53061505 is 50516035.

It is a cyclic number.

It is not a de Polignac number, because 53061505 - 2⁹ = 53060993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53061505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152742 + ... + 153088.

It is an arithmetic number, because the mean of its divisors is an integer number (2424168).

Almost surely, 2^53061505 is an apocalyptic number.

It is an amenable number.

53061505 is a deficient number, since it is larger than the sum of its proper divisors (24511871).

53061505 is a wasteful number, since it uses less digits than its factorization.

53061505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 53061505 is about 7284.3328452234. The cubic root of 53061505 is about 375.7738213622.

The spelling of 53061505 in words is "fifty-three million, sixty-one thousand, five hundred five".