10642555 has 36 divisors (see below), whose sum is σ = 16374960. Its totient is φ = 6615840.

The previous prime is 10642547. The next prime is 10642573. The reversal of 10642555 is 55524601.

10642555 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10642555 - 2³ = 10642547 is a prime.

It is a super-2 number, since 2×10642555² = 226527953856050, which contains 22 as substring.

10642555 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29466 + ... + 29824.

It is an arithmetic number, because the mean of its divisors is an integer number (454860).

Almost surely, 2^10642555 is an apocalyptic number.

10642555 is a deficient number, since it is larger than the sum of its proper divisors (5732405).

10642555 is a wasteful number, since it uses less digits than its factorization.

10642555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 10642555 is about 3262.2929053045. The cubic root of 10642555 is about 219.9624936061.

The spelling of 10642555 in words is "ten million, six hundred forty-two thousand, five hundred fifty-five".