53021350 has 12 divisors (see below), whose sum is σ = 98619804. Its totient is φ = 21208520.

The previous prime is 53021327. The next prime is 53021363. The reversal of 53021350 is 5312035.

It is a super-2 number, since 2×53021350² = 5622527111645000, which contains 22 as substring.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 530164 + ... + 530263.

It is an arithmetic number, because the mean of its divisors is an integer number (8218317).

Almost surely, 2^53021350 is an apocalyptic number.

53021350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53021350 is a deficient number, since it is larger than the sum of its proper divisors (45598454).

53021350 is a wasteful number, since it uses less digits than its factorization.

53021350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060439 (or 1060434 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53021350 is about 7281.5760656605. The cubic root of 53021350 is about 375.6790068276.

Adding to 53021350 its reverse (5312035), we get a palindrome (58333385).

The spelling of 53021350 in words is "fifty-three million, twenty-one thousand, three hundred fifty".