1055428650 has 48 divisors (see below), whose sum is σ = 2908296000. Its totient is φ = 281447280.

The previous prime is 1055428643. The next prime is 1055428651. The reversal of 1055428650 is 568245501.

1055428650 is a `hidden beast` number, since 105 + 542 + 8 + 6 + 5 + 0 = 666.

It is a super-2 number, since 2×1055428650² = 2227859270481645000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055428651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389550 + ... + 392249.

It is an arithmetic number, because the mean of its divisors is an integer number (60589500).

Almost surely, 2^1055428650 is an apocalyptic number.

1055428650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055428650 is an abundant number, since it is smaller than the sum of its proper divisors (1852867350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055428650 is a wasteful number, since it uses less digits than its factorization.

1055428650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781820 (or 781809 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 1055428650 is about 32487.3613887001. The cubic root of 1055428650 is about 1018.1449848374.

It can be divided in two parts, 10554 and 28650, that added together give a square (39204 = 198²).

The spelling of 1055428650 in words is "one billion, fifty-five million, four hundred twenty-eight thousand, six hundred fifty".