1055672057 has 8 divisors (see below), whose sum is σ = 1159929120. Its totient is φ = 952796160.

The previous prime is 1055672041. The next prime is 1055672063. The reversal of 1055672057 is 7502765501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055672057 - 2⁴ = 1055672041 is a prime.

It is a super-2 number, since 2×1055672057² = 2228886983861222498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055672057.

It is not an unprimeable number, because it can be changed into a prime (1055672017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343688 + ... + 346745.

It is an arithmetic number, because the mean of its divisors is an integer number (144991140).

Almost surely, 2^1055672057 is an apocalyptic number.

It is an amenable number.

1055672057 is a deficient number, since it is larger than the sum of its proper divisors (104257063).

1055672057 is a wasteful number, since it uses less digits than its factorization.

1055672057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690583.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 1055672057 is about 32491.1073526280. The cubic root of 1055672057 is about 1018.2232483207.

The spelling of 1055672057 in words is "one billion, fifty-five million, six hundred seventy-two thousand, fifty-seven".