81054296 has 8 divisors (see below), whose sum is σ = 151976820. Its totient is φ = 40527144.

The previous prime is 81054257. The next prime is 81054307. The reversal of 81054296 is 69245018.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065886 + ... + 5065901.

Almost surely, 2^81054296 is an apocalyptic number.

It is an amenable number.

81054296 is a deficient number, since it is larger than the sum of its proper divisors (70922524).

81054296 is a wasteful number, since it uses less digits than its factorization.

81054296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131793 (or 10131789 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 81054296 is about 9003.0159391173. The cubic root of 81054296 is about 432.7715265144.

The spelling of 81054296 in words is "eighty-one million, fifty-four thousand, two hundred ninety-six".