1055237857 has 2 divisors, whose sum is σ = 1055237858. Its totient is φ = 1055237856.

The previous prime is 1055237851. The next prime is 1055237863. The reversal of 1055237857 is 7587325501.

It is a balanced prime because it is at equal distance from previous prime (1055237851) and next prime (1055237863).

It can be written as a sum of positive squares in only one way, i.e., 1047752161 + 7485696 = 32369^2 + 2736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055237857 - 2¹⁵ = 1055205089 is a prime.

It is a super-2 number, since 2×1055237857² = 2227053869691904898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055237851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527618928 + 527618929.

It is an arithmetic number, because the mean of its divisors is an integer number (527618929).

Almost surely, 2^1055237857 is an apocalyptic number.

It is an amenable number.

1055237857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055237857 is an equidigital number, since it uses as much as digits as its factorization.

1055237857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 1055237857 is about 32484.4248371431. The cubic root of 1055237857 is about 1018.0836301002.

The spelling of 1055237857 in words is "one billion, fifty-five million, two hundred thirty-seven thousand, eight hundred fifty-seven".