47154655 has 4 divisors (see below), whose sum is σ = 56585592. Its totient is φ = 37723720.

The previous prime is 47154643. The next prime is 47154661. The reversal of 47154655 is 55645174.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47154655 - 2¹⁵ = 47121887 is a prime.

It is a super-2 number, since 2×47154655² = 4447122976338050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4715461 + ... + 4715470.

It is an arithmetic number, because the mean of its divisors is an integer number (14146398).

Almost surely, 2^47154655 is an apocalyptic number.

47154655 is a deficient number, since it is larger than the sum of its proper divisors (9430937).

47154655 is an equidigital number, since it uses as much as digits as its factorization.

47154655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9430936.

The product of its digits is 84000, while the sum is 37.

The square root of 47154655 is about 6866.9247119799. The cubic root of 47154655 is about 361.2780065530.

It can be divided in two parts, 47154 and 655, that multiplied together give a triangular number (30885870 = T₇₈₅₉).

The spelling of 47154655 in words is "forty-seven million, one hundred fifty-four thousand, six hundred fifty-five".