53342378 has 4 divisors (see below), whose sum is σ = 80013570. Its totient is φ = 26671188.

The previous prime is 53342369. The next prime is 53342381. The reversal of 53342378 is 87324335.

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., 36638809 + 16703569 = 6053^2 + 4087^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13335593 + ... + 13335596.

Almost surely, 2^53342378 is an apocalyptic number.

53342378 is a deficient number, since it is larger than the sum of its proper divisors (26671192).

53342378 is a wasteful number, since it uses less digits than its factorization.

53342378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26671191.

The product of its digits is 60480, while the sum is 35.

The square root of 53342378 is about 7303.5866531452. The cubic root of 53342378 is about 376.4356887427.

The spelling of 53342378 in words is "fifty-three million, three hundred forty-two thousand, three hundred seventy-eight".