82650555 has 24 divisors (see below), whose sum is σ = 154282128. Its totient is φ = 40689216.

The previous prime is 82650553. The next prime is 82650559. The reversal of 82650555 is 55505628.

It is not a de Polignac number, because 82650555 - 2¹ = 82650553 is a prime.

It is a super-2 number, since 2×82650555² = 13662228483616050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82650553) 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, 70057 + ... + 71226.

It is an arithmetic number, because the mean of its divisors is an integer number (6428422).

Almost surely, 2^82650555 is an apocalyptic number.

82650555 is a deficient number, since it is larger than the sum of its proper divisors (71631573).

82650555 is a wasteful number, since it uses less digits than its factorization.

82650555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141307 (or 141304 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 82650555 is about 9091.2350646103. The cubic root of 82650555 is about 435.5940358196.

The spelling of 82650555 in words is "eighty-two million, six hundred fifty thousand, five hundred fifty-five".