1055161554 has 8 divisors (see below), whose sum is σ = 2110323120. Its totient is φ = 351720516.

The previous prime is 1055161543. The next prime is 1055161567. The reversal of 1055161554 is 4551615501.

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

1055161554 is an admirable number.

It is a super-2 number, since 2×1055161554² = 2226731810079389832, which 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, 87930124 + ... + 87930135.

It is an arithmetic number, because the mean of its divisors is an integer number (263790390).

Almost surely, 2^1055161554 is an apocalyptic number.

1055161554 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.

1055161554 is a wasteful number, since it uses less digits than its factorization.

1055161554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175860264.

The product of its (nonzero) digits is 15000, while the sum is 33.

The square root of 1055161554 is about 32483.2503607629. The cubic root of 1055161554 is about 1018.0590907014.

The spelling of 1055161554 in words is "one billion, fifty-five million, one hundred sixty-one thousand, five hundred fifty-four".