55134997020 has 72 divisors (see below), whose sum is σ = 167263291104. Its totient is φ = 14700866688.

The previous prime is 55134997003. The next prime is 55134997033. The reversal of 55134997020 is 2079943155.

It is a happy number.

55134997020 is a `hidden beast` number, since 5 + 513 + 49 + 9 + 70 + 20 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2153937 + ... + 2179383.

Almost surely, 2^55134997020 is an apocalyptic number.

It is an amenable number.

55134997020 is an abundant number, since it is smaller than the sum of its proper divisors (112128294084).

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

55134997020 is a wasteful number, since it uses less digits than its factorization.

55134997020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37499 (or 37494 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 55134997020 in words is "fifty-five billion, one hundred thirty-four million, nine hundred ninety-seven thousand, twenty".