52622078 has 4 divisors (see below), whose sum is σ = 78933120. Its totient is φ = 26311038.

The previous prime is 52622071. The next prime is 52622081. The reversal of 52622078 is 87022625.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52622071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13155518 + ... + 13155521.

It is an arithmetic number, because the mean of its divisors is an integer number (19733280).

Almost surely, 2^52622078 is an apocalyptic number.

52622078 is a deficient number, since it is larger than the sum of its proper divisors (26311042).

52622078 is a wasteful number, since it uses less digits than its factorization.

52622078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26311041.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 52622078 is about 7254.1076639377. The cubic root of 52622078 is about 374.7336253488.

The spelling of 52622078 in words is "fifty-two million, six hundred twenty-two thousand, seventy-eight".