53020235 has 8 divisors (see below), whose sum is σ = 63667296. Its totient is φ = 42387520.

The previous prime is 53020217. The next prime is 53020271. The reversal of 53020235 is 53202035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53020235 - 2¹⁸ = 52758091 is a prime.

It is a super-2 number, since 2×53020235² = 5622290638910450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7895 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (7958412).

Almost surely, 2^53020235 is an apocalyptic number.

53020235 is a deficient number, since it is larger than the sum of its proper divisors (10647061).

53020235 is a wasteful number, since it uses less digits than its factorization.

53020235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 53020235 is about 7281.4995021630. The cubic root of 53020235 is about 375.6763733914.

The spelling of 53020235 in words is "fifty-three million, twenty thousand, two hundred thirty-five".