47645555 has 8 divisors (see below), whose sum is σ = 57242400. Its totient is φ = 38071296.

The previous prime is 47645531. The next prime is 47645561. The reversal of 47645555 is 55554674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47645555 - 2⁶ = 47645491 is a prime.

It is a super-2 number, since 2×47645555² = 4540197822516050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (7155300).

Almost surely, 2^47645555 is an apocalyptic number.

47645555 is a deficient number, since it is larger than the sum of its proper divisors (9596845).

47645555 is a wasteful number, since it uses less digits than its factorization.

47645555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11293.

The product of its digits is 420000, while the sum is 41.

The square root of 47645555 is about 6902.5759684338. The cubic root of 47645555 is about 362.5273669390.

The spelling of 47645555 in words is "forty-seven million, six hundred forty-five thousand, five hundred fifty-five".