53051330 has 16 divisors (see below), whose sum is σ = 95892984. Its totient is φ = 21131520.

The previous prime is 53051321. The next prime is 53051389. The reversal of 53051330 is 3315035.

It can be written as a sum of positive squares in 4 ways, for example, as 50225569 + 2825761 = 7087^2 + 1681^2 .

It is a super-2 number, since 2×53051330² = 5628887229537800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8597 + ... + 13416.

Almost surely, 2^53051330 is an apocalyptic number.

53051330 is a deficient number, since it is larger than the sum of its proper divisors (42841654).

53051330 is a wasteful number, since it uses less digits than its factorization.

53051330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22261.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 53051330 is about 7283.6343949981. The cubic root of 53051330 is about 375.7498005393.

Adding to 53051330 its reverse (3315035), we get a palindrome (56366365).

The spelling of 53051330 in words is "fifty-three million, fifty-one thousand, three hundred thirty".