51552402043 has 8 divisors (see below), whose sum is σ = 52528564800. Its totient is φ = 50576368128.

The previous prime is 51552402037. The next prime is 51552402059. The reversal of 51552402043 is 34020425515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51552402043 - 2⁹ = 51552401531 is a prime.

It is a super-2 number, since 2×51552402043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51552401996 and 51552402014.

It is not an unprimeable number, because it can be changed into a prime (51552406043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264603 + ... + 1304731.

It is an arithmetic number, because the mean of its divisors is an integer number (6566070600).

Almost surely, 2^51552402043 is an apocalyptic number.

51552402043 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

51552402043 is a deficient number, since it is larger than the sum of its proper divisors (976162757).

51552402043 is a wasteful number, since it uses less digits than its factorization.

51552402043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64421.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 51552402043 its reverse (34020425515), we get a palindrome (85572827558).

The spelling of 51552402043 in words is "fifty-one billion, five hundred fifty-two million, four hundred two thousand, forty-three".