53971072 has 32 divisors (see below), whose sum is σ = 107855820. Its totient is φ = 26901504.

The previous prime is 53971069. The next prime is 53971097. The reversal of 53971072 is 27017935.

It can be written as a sum of positive squares in 2 ways, for example, as 52186176 + 1784896 = 7224^2 + 1336^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×53971072² = 5825753225658368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70918 + ... + 71674.

Almost surely, 2^53971072 is an apocalyptic number.

It is an amenable number.

53971072 is a deficient number, since it is larger than the sum of its proper divisors (53884748).

53971072 is an equidigital number, since it uses as much as digits as its factorization.

53971072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 53971072 is about 7346.5006635813. The cubic root of 53971072 is about 377.9088084753.

The spelling of 53971072 in words is "fifty-three million, nine hundred seventy-one thousand, seventy-two".