1097896550 has 36 divisors (see below), whose sum is σ = 2169304980. Its totient is φ = 413320320.

The previous prime is 1097896507. The next prime is 1097896561. The reversal of 1097896550 is 556987901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23540 + ... + 52439.

Almost surely, 2^1097896550 is an apocalyptic number.

1097896550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1097896550 is a deficient number, since it is larger than the sum of its proper divisors (1071408430).

1097896550 is a wasteful number, since it uses less digits than its factorization.

1097896550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76025 (or 76003 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 1097896550 is about 33134.5220276376. The cubic root of 1097896550 is about 1031.6217108748.

The spelling of 1097896550 in words is "one billion, ninety-seven million, eight hundred ninety-six thousand, five hundred fifty".