53976681 has 24 divisors (see below), whose sum is σ = 86505120. Its totient is φ = 32155200.

The previous prime is 53976679. The next prime is 53976697. The reversal of 53976681 is 18667935.

It is a happy number.

It is not a de Polignac number, because 53976681 - 2¹ = 53976679 is a prime.

It is a super-2 number, since 2×53976681² = 5826964183551522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53976641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1221 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (3604380).

Almost surely, 2^53976681 is an apocalyptic number.

It is an amenable number.

53976681 is a deficient number, since it is larger than the sum of its proper divisors (32528439).

53976681 is a wasteful number, since it uses less digits than its factorization.

53976681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317 (or 9314 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 53976681 is about 7346.8824000388. The cubic root of 53976681 is about 377.9218995442.

The spelling of 53976681 in words is "fifty-three million, nine hundred seventy-six thousand, six hundred eighty-one".