53681290 has 32 divisors (see below), whose sum is σ = 105396480. Its totient is φ = 19566144.

The previous prime is 53681269. The next prime is 53681317. The reversal of 53681290 is 9218635.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7657 + ... + 12883.

It is an arithmetic number, because the mean of its divisors is an integer number (3293640).

Almost surely, 2^53681290 is an apocalyptic number.

53681290 is a deficient number, since it is larger than the sum of its proper divisors (51715190).

53681290 is a wasteful number, since it uses less digits than its factorization.

53681290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 53681290 is about 7326.7516676901. The cubic root of 53681290 is about 377.2312371446.

The spelling of 53681290 in words is "fifty-three million, six hundred eighty-one thousand, two hundred ninety".