52922978 has 8 divisors (see below), whose sum is σ = 79667820. Its totient is φ = 26367040.

The previous prime is 52922971. The next prime is 52923001. The reversal of 52922978 is 87922925.

It can be written as a sum of positive squares in 2 ways, for example, as 52606009 + 316969 = 7253^2 + 563^2 .

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 (52922971) 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, 46523 + ... + 47646.

Almost surely, 2^52922978 is an apocalyptic number.

52922978 is a deficient number, since it is larger than the sum of its proper divisors (26744842).

52922978 is a wasteful number, since it uses less digits than its factorization.

52922978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94452.

The product of its digits is 181440, while the sum is 44.

The square root of 52922978 is about 7274.8180733266. The cubic root of 52922978 is about 375.4465270548.

The spelling of 52922978 in words is "fifty-two million, nine hundred twenty-two thousand, nine hundred seventy-eight".