52099378 has 4 divisors (see below), whose sum is σ = 78149070. Its totient is φ = 26049688.

The previous prime is 52099363. The next prime is 52099381. The reversal of 52099378 is 87399025.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 38725729 + 13373649 = 6223^2 + 3657^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13024843 + ... + 13024846.

Almost surely, 2^52099378 is an apocalyptic number.

52099378 is a deficient number, since it is larger than the sum of its proper divisors (26049692).

52099378 is a wasteful number, since it uses less digits than its factorization.

52099378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26049691.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 52099378 is about 7217.9898863880. The cubic root of 52099378 is about 373.4887396868.

The spelling of 52099378 in words is "fifty-two million, ninety-nine thousand, three hundred seventy-eight".