52461578 has 8 divisors (see below), whose sum is σ = 84745668. Its totient is φ = 24213024.

The previous prime is 52461571. The next prime is 52461589. The reversal of 52461578 is 87516425.

It can be written as a sum of positive squares in 2 ways, for example, as 52461049 + 529 = 7243^2 + 23^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52461571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008851 + ... + 1008902.

Almost surely, 2^52461578 is an apocalyptic number.

52461578 is a deficient number, since it is larger than the sum of its proper divisors (32284090).

52461578 is a wasteful number, since it uses less digits than its factorization.

52461578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017768.

The product of its digits is 67200, while the sum is 38.

The square root of 52461578 is about 7243.0365179253. The cubic root of 52461578 is about 374.3522518445.

It can be divided in two parts, 52 and 461578, that multiplied together give a triangular number (24002056 = T₆₉₂₈).

The spelling of 52461578 in words is "fifty-two million, four hundred sixty-one thousand, five hundred seventy-eight".