1057262655 has 16 divisors (see below), whose sum is σ = 1709061984. Its totient is φ = 558059520.

The previous prime is 1057262653. The next prime is 1057262671. The reversal of 1057262655 is 5562627501.

It is not a de Polignac number, because 1057262655 - 2¹ = 1057262653 is a prime.

It is a super-2 number, since 2×1057262655² = 2235608643315298050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057262653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361866 + ... + 364775.

It is an arithmetic number, because the mean of its divisors is an integer number (106816374).

Almost surely, 2^1057262655 is an apocalyptic number.

1057262655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1057262655 is a deficient number, since it is larger than the sum of its proper divisors (651799329).

1057262655 is an equidigital number, since it uses as much as digits as its factorization.

1057262655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726746.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 1057262655 is about 32515.5755754069. The cubic root of 1057262655 is about 1018.7343827884.

The spelling of 1057262655 in words is "one billion, fifty-seven million, two hundred sixty-two thousand, six hundred fifty-five".