53021454 has 32 divisors (see below), whose sum is σ = 110103840. Its totient is φ = 17001600.

The previous prime is 53021447. The next prime is 53021467. The reversal of 53021454 is 45412035.

It is a super-2 number, since 2×53021454² = 5622549168548232, 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 15 ways as a sum of consecutive naturals, for example, 79884 + ... + 80544.

It is an arithmetic number, because the mean of its divisors is an integer number (3440745).

Almost surely, 2^53021454 is an apocalyptic number.

53021454 is an abundant number, since it is smaller than the sum of its proper divisors (57082386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53021454 is a wasteful number, since it uses less digits than its factorization.

53021454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 53021454 is about 7281.5832069681. The cubic root of 53021454 is about 375.6792524556.

Adding to 53021454 its reverse (45412035), we get a palindrome (98433489).

The spelling of 53021454 in words is "fifty-three million, twenty-one thousand, four hundred fifty-four".