52211854 has 4 divisors (see below), whose sum is σ = 78317784. Its totient is φ = 26105926.

The previous prime is 52211851. The next prime is 52211869. The reversal of 52211854 is 45811225.

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 (52211851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13052962 + ... + 13052965.

It is an arithmetic number, because the mean of its divisors is an integer number (19579446).

Almost surely, 2^52211854 is an apocalyptic number.

52211854 is a deficient number, since it is larger than the sum of its proper divisors (26105930).

52211854 is a wasteful number, since it uses less digits than its factorization.

52211854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26105929.

The product of its digits is 3200, while the sum is 28.

The square root of 52211854 is about 7225.7770516395. Note that the first 3 decimals coincide. The cubic root of 52211854 is about 373.7573182312.

The spelling of 52211854 in words is "fifty-two million, two hundred eleven thousand, eight hundred fifty-four".