47525578 has 16 divisors (see below), whose sum is σ = 73339200. Its totient is φ = 23085216.

The previous prime is 47525563. The next prime is 47525587. The reversal of 47525578 is 87552574.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 15726 + ... + 18502.

It is an arithmetic number, because the mean of its divisors is an integer number (4583700).

Almost surely, 2^47525578 is an apocalyptic number.

47525578 is a deficient number, since it is larger than the sum of its proper divisors (25813622).

47525578 is a wasteful number, since it uses less digits than its factorization.

47525578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021.

The product of its digits is 392000, while the sum is 43.

The square root of 47525578 is about 6893.8797494589. The cubic root of 47525578 is about 362.2228159304. Note that the first 3 decimals are identical.

It can be divided in two parts, 47 and 525578, that added together give a square (525625 = 725²).

The spelling of 47525578 in words is "forty-seven million, five hundred twenty-five thousand, five hundred seventy-eight".