1055400007 has 2 divisors, whose sum is σ = 1055400008. Its totient is φ = 1055400006.

The previous prime is 1055399981. The next prime is 1055400043. The reversal of 1055400007 is 7000045501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055400007 - 2¹⁵ = 1055367239 is a prime.

It is a super-2 number, since 2×1055400007² = 2227738349551200098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055400097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527700003 + 527700004.

It is an arithmetic number, because the mean of its divisors is an integer number (527700004).

Almost surely, 2^1055400007 is an apocalyptic number.

1055400007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055400007 is an equidigital number, since it uses as much as digits as its factorization.

1055400007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1055400007 is about 32486.9205527394. The cubic root of 1055400007 is about 1018.1357743646.

Adding to 1055400007 its reverse (7000045501), we get a palindrome (8055445508).

The spelling of 1055400007 in words is "one billion, fifty-five million, four hundred thousand, seven".