52551042240 has 112 divisors (see below), whose sum is σ = 166903895808. Its totient is φ = 14009048064.

The previous prime is 52551042227. The next prime is 52551042263. The reversal of 52551042240 is 4224015525.

It is a super-2 number, since 2×52551042240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52551042198 and 52551042207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3778339 + ... + 3792221.

Almost surely, 2^52551042240 is an apocalyptic number.

It is an amenable number.

52551042240 is an abundant number, since it is smaller than the sum of its proper divisors (114352853568).

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

52551042240 is a wasteful number, since it uses less digits than its factorization.

52551042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17846 (or 17836 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 52551042240 its reverse (4224015525), we get a palindrome (56775057765).

The spelling of 52551042240 in words is "fifty-two billion, five hundred fifty-one million, forty-two thousand, two hundred forty".