1055533831554 has 8 divisors (see below), whose sum is σ = 2111067663120. Its totient is φ = 351844610516.

The previous prime is 1055533831529. The next prime is 1055533831571. The reversal of 1055533831554 is 4551383355501.

It is a sphenic number, since it is the product of 3 distinct primes.

1055533831554 is an admirable number.

It is a super-2 number, since 2×1055533831554² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87961152624 + ... + 87961152635.

It is an arithmetic number, because the mean of its divisors is an integer number (263883457890).

Almost surely, 2^{1055533831554} is an apocalyptic number.

1055533831554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1055533831554 is a wasteful number, since it uses less digits than its factorization.

1055533831554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175922305264.

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 1055533831554 in words is "one trillion, fifty-five billion, five hundred thirty-three million, eight hundred thirty-one thousand, five hundred fifty-four".