53226040 has 32 divisors (see below), whose sum is σ = 136867680. Its totient is φ = 18248832.

The previous prime is 53226037. The next prime is 53226053. The reversal of 53226040 is 4062235.

It is a happy number.

It is a super-2 number, since 2×53226040² = 5666022668163200, 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 7 ways as a sum of consecutive naturals, for example, 94767 + ... + 95326.

It is an arithmetic number, because the mean of its divisors is an integer number (4277115).

Almost surely, 2^53226040 is an apocalyptic number.

It is an amenable number.

53226040 is an abundant number, since it is smaller than the sum of its proper divisors (83641640).

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

53226040 is a wasteful number, since it uses less digits than its factorization.

53226040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190111 (or 190107 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53226040 is about 7295.6178627996. The cubic root of 53226040 is about 376.1618248654.

Adding to 53226040 its reverse (4062235), we get a palindrome (57288275).

The spelling of 53226040 in words is "fifty-three million, two hundred twenty-six thousand, forty".