52511004 has 180 divisors, whose sum is σ = 171121104. Its totient is φ = 13747968.

The previous prime is 52510981. The next prime is 52511009. The reversal of 52511004 is 40011525.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52511009) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 383224 + ... + 383360.

Almost surely, 2^52511004 is an apocalyptic number.

52511004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52511004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85560552).

52511004 is an abundant number, since it is smaller than the sum of its proper divisors (118610100).

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

52511004 is a wasteful number, since it uses less digits than its factorization.

52511004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52511004 is about 7246.4476814505. The cubic root of 52511004 is about 374.4697786609.

Adding to 52511004 its reverse (40011525), we get a palindrome (92522529).

The spelling of 52511004 in words is "fifty-two million, five hundred eleven thousand, four".