53020502 has 8 divisors (see below), whose sum is σ = 79908312. Its totient is φ = 26384400.

The previous prime is 53020493. The next prime is 53020523. The reversal of 53020502 is 20502035.

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

It is a super-2 number, since 2×53020502² = 5622347264664008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62399 + ... + 63242.

It is an arithmetic number, because the mean of its divisors is an integer number (9988539).

Almost surely, 2^53020502 is an apocalyptic number.

53020502 is a deficient number, since it is larger than the sum of its proper divisors (26887810).

53020502 is a wasteful number, since it uses less digits than its factorization.

53020502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125854.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 53020502 is about 7281.5178362756. The cubic root of 53020502 is about 375.6770040023.

Adding to 53020502 its reverse (20502035), we get a palindrome (73522537).

The spelling of 53020502 in words is "fifty-three million, twenty thousand, five hundred two".