53450722 has 16 divisors (see below), whose sum is σ = 86519160. Its totient is φ = 24619392.

The previous prime is 53450713. The next prime is 53450753. The reversal of 53450722 is 22705435.

It is a Cunningham number, because it is equal to 7311²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 8814961 + 44635761 = 2969^2 + 6681^2 .

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, 12988 + ... + 16600.

Almost surely, 2^53450722 is an apocalyptic number.

53450722 is a deficient number, since it is larger than the sum of its proper divisors (33068438).

53450722 is a wasteful number, since it uses less digits than its factorization.

53450722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 53450722 is about 7311.0000683901. Note that the first 4 decimals coincide. The cubic root of 53450722 is about 376.6903765933.

It can be divided in two parts, 53 and 450722, that added together give a triangular number (450775 = T₉₄₉).

The spelling of 53450722 in words is "fifty-three million, four hundred fifty thousand, seven hundred twenty-two".