1055756451 has 32 divisors (see below), whose sum is σ = 1503532800. Its totient is φ = 657072000.

The previous prime is 1055756447. The next prime is 1055756459. The reversal of 1055756451 is 1546575501.

It is a happy number.

It is not a de Polignac number, because 1055756451 - 2² = 1055756447 is a prime.

It is a super-2 number, since 2×1055756451² = 2229243367656230802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055756459) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1559125 + ... + 1559801.

It is an arithmetic number, because the mean of its divisors is an integer number (46985400).

Almost surely, 2^1055756451 is an apocalyptic number.

1055756451 is a deficient number, since it is larger than the sum of its proper divisors (447776349).

1055756451 is a wasteful number, since it uses less digits than its factorization.

1055756451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 105000, while the sum is 39.

The square root of 1055756451 is about 32492.4060512607. The cubic root of 1055756451 is about 1018.2503810028.

The spelling of 1055756451 in words is "one billion, fifty-five million, seven hundred fifty-six thousand, four hundred fifty-one".