1055721541 has 8 divisors (see below), whose sum is σ = 1215220160. Its totient is φ = 898393248.

The previous prime is 1055721517. The next prime is 1055721581. The reversal of 1055721541 is 1451275501.

1055721541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1055721541 - 2¹³ = 1055713349 is a prime.

It is a super-2 number, since 2×1055721541² = 2229095944262829362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055721581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541536 + ... + 543481.

It is an arithmetic number, because the mean of its divisors is an integer number (151902520).

Almost surely, 2^1055721541 is an apocalyptic number.

It is an amenable number.

1055721541 is a deficient number, since it is larger than the sum of its proper divisors (159498619).

1055721541 is a wasteful number, since it uses less digits than its factorization.

1055721541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085163.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 1055721541 is about 32491.8688443740. The cubic root of 1055721541 is about 1018.2391576086.

The spelling of 1055721541 in words is "one billion, fifty-five million, seven hundred twenty-one thousand, five hundred forty-one".