52987378 has 8 divisors (see below), whose sum is σ = 79893468. Its totient is φ = 26356224.

The previous prime is 52987301. The next prime is 52987381. The reversal of 52987378 is 87378925.

It can be written as a sum of positive squares in 2 ways, for example, as 51940849 + 1046529 = 7207^2 + 1023^2 .

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

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, 68251 + ... + 69022.

Almost surely, 2^52987378 is an apocalyptic number.

52987378 is a deficient number, since it is larger than the sum of its proper divisors (26906090).

52987378 is a wasteful number, since it uses less digits than its factorization.

52987378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137468.

The product of its digits is 846720, while the sum is 49.

The square root of 52987378 is about 7279.2429551431. The cubic root of 52987378 is about 375.5987542881.

The spelling of 52987378 in words is "fifty-two million, nine hundred eighty-seven thousand, three hundred seventy-eight".