53722072 has 16 divisors (see below), whose sum is σ = 102630240. Its totient is φ = 26354016.

The previous prime is 53722069. The next prime is 53722073. The reversal of 53722072 is 27022735.

It is a super-2 number, since 2×53722072² = 5772122039946368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53722072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53722073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62928 + ... + 63775.

It is an arithmetic number, because the mean of its divisors is an integer number (6414390).

Almost surely, 2^53722072 is an apocalyptic number.

It is an amenable number.

53722072 is a deficient number, since it is larger than the sum of its proper divisors (48908168).

53722072 is a wasteful number, since it uses less digits than its factorization.

53722072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126762 (or 126758 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 53722072 is about 7329.5342280393. The cubic root of 53722072 is about 377.3267412462.

The spelling of 53722072 in words is "fifty-three million, seven hundred twenty-two thousand, seventy-two".