53021435 has 8 divisors (see below), whose sum is σ = 63733200. Its totient is φ = 42345504.

The previous prime is 53021431. The next prime is 53021447. The reversal of 53021435 is 53412035.

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

It is a cyclic number.

It is not a de Polignac number, because 53021435 - 2² = 53021431 is a prime.

It is a super-2 number, since 2×53021435² = 5622545138918450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53021435.

It is not an unprimeable number, because it can be changed into a prime (53021431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5585 + ... + 11714.

It is an arithmetic number, because the mean of its divisors is an integer number (7966650).

Almost surely, 2^53021435 is an apocalyptic number.

53021435 is a deficient number, since it is larger than the sum of its proper divisors (10711765).

53021435 is a wasteful number, since it uses less digits than its factorization.

53021435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17917.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53021435 is about 7281.5819023067. The cubic root of 53021435 is about 375.6792075813.

The spelling of 53021435 in words is "fifty-three million, twenty-one thousand, four hundred thirty-five".