53020490 has 16 divisors (see below), whose sum is σ = 95703552. Its totient is φ = 21148944.

The previous prime is 53020481. The next prime is 53020493. The reversal of 53020490 is 9402035.

It is a super-2 number, since 2×53020490² = 5622344719680200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53020493) by changing a digit.

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, 3554 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (5981472).

Almost surely, 2^53020490 is an apocalyptic number.

53020490 is a deficient number, since it is larger than the sum of its proper divisors (42683062).

53020490 is a wasteful number, since it uses less digits than its factorization.

53020490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14821.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 53020490 is about 7281.5170122715. The cubic root of 53020490 is about 375.6769756603.

The spelling of 53020490 in words is "fifty-three million, twenty thousand, four hundred ninety".