52978958 has 4 divisors (see below), whose sum is σ = 79468440. Its totient is φ = 26489478.

The previous prime is 52978957. The next prime is 52978999. The reversal of 52978958 is 85987925.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52978957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13244738 + ... + 13244741.

It is an arithmetic number, because the mean of its divisors is an integer number (19867110).

Almost surely, 2^52978958 is an apocalyptic number.

52978958 is a deficient number, since it is larger than the sum of its proper divisors (26489482).

52978958 is a wasteful number, since it uses less digits than its factorization.

52978958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26489481.

The product of its digits is 1814400, while the sum is 53.

The square root of 52978958 is about 7278.6645753187. The cubic root of 52978958 is about 375.5788582981.

The spelling of 52978958 in words is "fifty-two million, nine hundred seventy-eight thousand, nine hundred fifty-eight".