47457555 has 8 divisors (see below), whose sum is σ = 75932112. Its totient is φ = 25310688.

The previous prime is 47457551. The next prime is 47457563. The reversal of 47457555 is 55575474.

It is a happy number.

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

It is not a de Polignac number, because 47457555 - 2² = 47457551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47457551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581904 + ... + 1581933.

It is an arithmetic number, because the mean of its divisors is an integer number (9491514).

Almost surely, 2^47457555 is an apocalyptic number.

47457555 is a deficient number, since it is larger than the sum of its proper divisors (28474557).

47457555 is a wasteful number, since it uses less digits than its factorization.

47457555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163845.

The product of its digits is 490000, while the sum is 42.

The square root of 47457555 is about 6888.9444038982. The cubic root of 47457555 is about 362.0499178235.

The spelling of 47457555 in words is "forty-seven million, four hundred fifty-seven thousand, five hundred fifty-five".