1054557650 has 24 divisors (see below), whose sum is σ = 1962807780. Its totient is φ = 421536960.

The previous prime is 1054557643. The next prime is 1054557661. The reversal of 1054557650 is 567554501.

It can be written as a sum of positive squares in 6 ways, for example, as 179640409 + 874917241 = 13403^2 + 29579^2 .

It is a super-2 number, since 2×1054557650² = 2224183674347045000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77132 + ... + 89768.

Almost surely, 2^1054557650 is an apocalyptic number.

1054557650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1054557650 is a deficient number, since it is larger than the sum of its proper divisors (908250130).

1054557650 is a wasteful number, since it uses less digits than its factorization.

1054557650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14318 (or 14313 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 1054557650 is about 32473.9534088475. The cubic root of 1054557650 is about 1017.8648306268.

The spelling of 1054557650 in words is "one billion, fifty-four million, five hundred fifty-seven thousand, six hundred fifty".