55161942700 has 36 divisors (see below), whose sum is σ = 119772238600. Its totient is φ = 22051722240.

The previous prime is 55161942691. The next prime is 55161942709. The reversal of 55161942700 is 724916155.

It is an interprime number because it is at equal distance from previous prime (55161942691) and next prime (55161942709).

It is not an unprimeable number, because it can be changed into a prime (55161942709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7564 + ... + 332236.

Almost surely, 2^55161942700 is an apocalyptic number.

55161942700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55161942700 is an abundant number, since it is smaller than the sum of its proper divisors (64610295900).

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

55161942700 is a wasteful number, since it uses less digits than its factorization.

55161942700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326386 (or 326379 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 55161942700 in words is "fifty-five billion, one hundred sixty-one million, nine hundred forty-two thousand, seven hundred".