52009854 has 64 divisors (see below), whose sum is σ = 119314944. Its totient is φ = 14990976.

The previous prime is 52009823. The next prime is 52009883. The reversal of 52009854 is 45890025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94809 + ... + 95355.

It is an arithmetic number, because the mean of its divisors is an integer number (1864296).

Almost surely, 2^52009854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52009854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59657472).

52009854 is an abundant number, since it is smaller than the sum of its proper divisors (67305090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52009854 is a wasteful number, since it uses less digits than its factorization.

52009854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 52009854 is about 7211.7857705287. The cubic root of 52009854 is about 373.2746912214.

Adding to 52009854 its reverse (45890025), we get a palindrome (97899879).

The spelling of 52009854 in words is "fifty-two million, nine thousand, eight hundred fifty-four".