1055869054 has 4 divisors (see below), whose sum is σ = 1583803584. Its totient is φ = 527934526.

The previous prime is 1055869043. The next prime is 1055869063. The reversal of 1055869054 is 4509685501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1055869054² = 2229718918389709832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055869054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263967262 + ... + 263967265.

It is an arithmetic number, because the mean of its divisors is an integer number (395950896).

Almost surely, 2^1055869054 is an apocalyptic number.

1055869054 is a deficient number, since it is larger than the sum of its proper divisors (527934530).

1055869054 is an equidigital number, since it uses as much as digits as its factorization.

1055869054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527934529.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 1055869054 is about 32494.1387637832. The cubic root of 1055869054 is about 1018.2865806306.

The spelling of 1055869054 in words is "one billion, fifty-five million, eight hundred sixty-nine thousand, fifty-four".