1097052558 has 16 divisors (see below), whose sum is σ = 2507548800. Its totient is φ = 313443576.

The previous prime is 1097052547. The next prime is 1097052563. The reversal of 1097052558 is 8552507901.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 26120299 = 1097052558 / (1 + 0 + 9 + 7 + 0 + 5 + 2 + 5 + 5 + 8).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13060108 + ... + 13060191.

It is an arithmetic number, because the mean of its divisors is an integer number (156721800).

Almost surely, 2^1097052558 is an apocalyptic number.

1097052558 is an abundant number, since it is smaller than the sum of its proper divisors (1410496242).

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

1097052558 is a wasteful number, since it uses less digits than its factorization.

1097052558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26120311.

The product of its (nonzero) digits is 126000, while the sum is 42.

The square root of 1097052558 is about 33121.7837381986. The cubic root of 1097052558 is about 1031.3572950474.

The spelling of 1097052558 in words is "one billion, ninety-seven million, fifty-two thousand, five hundred fifty-eight".