1057274755 has 8 divisors (see below), whose sum is σ = 1298235312. Its totient is φ = 826149408.

The previous prime is 1057274731. The next prime is 1057274773. The reversal of 1057274755 is 5574727501.

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 1057274755 - 2⁹ = 1057274243 is a prime.

It is a super-2 number, since 2×1057274755² = 2235659815120620050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2458564 + ... + 2458993.

It is an arithmetic number, because the mean of its divisors is an integer number (162279414).

Almost surely, 2^1057274755 is an apocalyptic number.

1057274755 is a deficient number, since it is larger than the sum of its proper divisors (240960557).

1057274755 is an equidigital number, since it uses as much as digits as its factorization.

1057274755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917605.

The product of its (nonzero) digits is 343000, while the sum is 43.

The square root of 1057274755 is about 32515.7616395495. The cubic root of 1057274755 is about 1018.7382691261.

The spelling of 1057274755 in words is "one billion, fifty-seven million, two hundred seventy-four thousand, seven hundred fifty-five".