53373444 has 24 divisors (see below), whose sum is σ = 128556288. Its totient is φ = 17217120.

The previous prime is 53373443. The next prime is 53373457. The reversal of 53373444 is 44437335.

It is a super-2 number, since 2×53373444² = 5697449048842272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53373443) 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, 71367 + ... + 72110.

It is an arithmetic number, because the mean of its divisors is an integer number (5356512).

Almost surely, 2^53373444 is an apocalyptic number.

It is an amenable number.

53373444 is an abundant number, since it is smaller than the sum of its proper divisors (75182844).

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

53373444 is a wasteful number, since it uses less digits than its factorization.

53373444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143515 (or 143513 counting only the distinct ones).

The product of its digits is 60480, while the sum is 33.

The square root of 53373444 is about 7305.7131068774. The cubic root of 53373444 is about 376.5087518622.

The spelling of 53373444 in words is "fifty-three million, three hundred seventy-three thousand, four hundred forty-four".