47901545 has 4 divisors (see below), whose sum is σ = 57481860. Its totient is φ = 38321232.

The previous prime is 47901523. The next prime is 47901551. The reversal of 47901545 is 54510974.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11262736 + 36638809 = 3356^2 + 6053^2 .

It is a cyclic number.

It is not a de Polignac number, because 47901545 - 2¹⁰ = 47900521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4790150 + ... + 4790159.

It is an arithmetic number, because the mean of its divisors is an integer number (14370465).

Almost surely, 2^47901545 is an apocalyptic number.

It is an amenable number.

47901545 is a deficient number, since it is larger than the sum of its proper divisors (9580315).

47901545 is an equidigital number, since it uses as much as digits as its factorization.

47901545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9580314.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 47901545 is about 6921.0942053984. The cubic root of 47901545 is about 363.1754698618.

The spelling of 47901545 in words is "forty-seven million, nine hundred one thousand, five hundred forty-five".