9051557655 has 96 divisors (see below), whose sum is σ = 17506298880. Its totient is φ = 3911339520.

The previous prime is 9051557623. The next prime is 9051557717. The reversal of 9051557655 is 5567551509.

9051557655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9051557655 - 2⁵ = 9051557623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4942590 + ... + 4944420.

It is an arithmetic number, because the mean of its divisors is an integer number (182357280).

Almost surely, 2^9051557655 is an apocalyptic number.

9051557655 is a deficient number, since it is larger than the sum of its proper divisors (8454741225).

9051557655 is a wasteful number, since it uses less digits than its factorization.

9051557655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 1181250, while the sum is 48.

The square root of 9051557655 is about 95139.6744528801. The cubic root of 9051557655 is about 2084.0482714193.

The spelling of 9051557655 in words is "nine billion, fifty-one million, five hundred fifty-seven thousand, six hundred fifty-five".