55051505126550 has 36 divisors (see below), whose sum is σ = 147905043774540. Its totient is φ = 14680401366960.

The previous prime is 55051505126537. The next prime is 55051505126551. The reversal of 55051505126550 is 5562150515055.

55051505126550 is a `hidden beast` number, since 5 + 5 + 0 + 515 + 0 + 5 + 126 + 5 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 55051505126496 and 55051505126505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55051505126551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61168338580 + ... + 61168339479.

Almost surely, 2^{55051505126550} is an apocalyptic number.

55051505126550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55051505126550 is an abundant number, since it is smaller than the sum of its proper divisors (92853538647990).

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

55051505126550 is a wasteful number, since it uses less digits than its factorization.

55051505126550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122336678077 (or 122336678069 counting only the distinct ones).

The product of its (nonzero) digits is 937500, while the sum is 45.

The spelling of 55051505126550 in words is "fifty-five trillion, fifty-one billion, five hundred five million, one hundred twenty-six thousand, five hundred fifty".