52190784 has 56 divisors (see below), whose sum is σ = 153436320. Its totient is φ = 17396352.

The previous prime is 52190779. The next prime is 52190819. The reversal of 52190784 is 48709125.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13374 + ... + 16829.

Almost surely, 2^52190784 is an apocalyptic number.

52190784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52190784 is an abundant number, since it is smaller than the sum of its proper divisors (101245536).

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

52190784 is a wasteful number, since it uses less digits than its factorization.

52190784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30224 (or 30208 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 52190784 is about 7224.3189298369. The cubic root of 52190784 is about 373.7070351017.

The spelling of 52190784 in words is "fifty-two million, one hundred ninety thousand, seven hundred eighty-four".