55005101050550 has 96 divisors (see below), whose sum is σ = 124561965024000. Its totient is φ = 17651061509760.

The previous prime is 55005101050517. The next prime is 55005101050553. The reversal of 55005101050550 is 5505010150055.

It is a super-2 number, since 2×55005101050550² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005101050553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49276025 + ... + 50379924.

It is an arithmetic number, because the mean of its divisors is an integer number (1297520469000).

Almost surely, 2^{55005101050550} is an apocalyptic number.

55005101050550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55005101050550 is an abundant number, since it is smaller than the sum of its proper divisors (69556863973450).

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

55005101050550 is a wasteful number, since it uses less digits than its factorization.

55005101050550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99656070 (or 99656065 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 55005101050550 in words is "fifty-five trillion, five billion, one hundred one million, fifty thousand, five hundred fifty".