5201312505550 has 96 divisors (see below), whose sum is σ = 11707684945920. Its totient is φ = 1678292313600.

The previous prime is 5201312505539. The next prime is 5201312505583. The reversal of 5201312505550 is 555052131025.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155343711 + ... + 155377189.

It is an arithmetic number, because the mean of its divisors is an integer number (121955051520).

Almost surely, 2^{5201312505550} is an apocalyptic number.

5201312505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5201312505550 is an abundant number, since it is smaller than the sum of its proper divisors (6506372440370).

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

5201312505550 is a wasteful number, since it uses less digits than its factorization.

5201312505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59626 (or 59621 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

Adding to 5201312505550 its reverse (555052131025), we get a palindrome (5756364636575).

The spelling of 5201312505550 in words is "five trillion, two hundred one billion, three hundred twelve million, five hundred five thousand, five hundred fifty".