47900155 has 8 divisors (see below), whose sum is σ = 58018032. Its totient is φ = 37961568.

The previous prime is 47900147. The next prime is 47900161. The reversal of 47900155 is 55100974.

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 47900155 - 2³ = 47900147 is a prime.

It is a Duffinian number.

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, 44232 + ... + 45301.

It is an arithmetic number, because the mean of its divisors is an integer number (7252254).

Almost surely, 2^47900155 is an apocalyptic number.

47900155 is a deficient number, since it is larger than the sum of its proper divisors (10117877).

47900155 is a wasteful number, since it uses less digits than its factorization.

47900155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89645.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 47900155 is about 6920.9937870222. The cubic root of 47900155 is about 363.1719569703.

The spelling of 47900155 in words is "forty-seven million, nine hundred thousand, one hundred fifty-five".