53722532 has 6 divisors (see below), whose sum is σ = 94014438. Its totient is φ = 26861264.

The previous prime is 53722507. The next prime is 53722541. The reversal of 53722532 is 23522735.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31292836 + 22429696 = 5594^2 + 4736^2 .

It is a super-2 number, since 2×53722532² = 5772220888982048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53722495 and 53722504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715313 + ... + 6715320.

It is an arithmetic number, because the mean of its divisors is an integer number (15669073).

Almost surely, 2^53722532 is an apocalyptic number.

It is an amenable number.

53722532 is a deficient number, since it is larger than the sum of its proper divisors (40291906).

53722532 is a wasteful number, since it uses less digits than its factorization.

53722532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13430637 (or 13430635 counting only the distinct ones).

The product of its digits is 12600, while the sum is 29.

The square root of 53722532 is about 7329.5656078652. The cubic root of 53722532 is about 377.3278182077.

The spelling of 53722532 in words is "fifty-three million, seven hundred twenty-two thousand, five hundred thirty-two".