1097482554 has 128 divisors (see below), whose sum is σ = 2939328000. Its totient is φ = 296884224.

The previous prime is 1097482543. The next prime is 1097482597. The reversal of 1097482554 is 4552847901.

1097482554 is a `hidden beast` number, since 1 + 0 + 97 + 4 + 8 + 2 + 554 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 580042 + ... + 581930.

It is an arithmetic number, because the mean of its divisors is an integer number (22963500).

Almost surely, 2^1097482554 is an apocalyptic number.

1097482554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097482554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1469664000).

1097482554 is an abundant number, since it is smaller than the sum of its proper divisors (1841845446).

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

1097482554 is a wasteful number, since it uses less digits than its factorization.

1097482554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 1097482554 is about 33128.2742381791. The cubic root of 1097482554 is about 1031.4920262352.

It can be divided in two parts, 10974 and 82554, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 1097482554 in words is "one billion, ninety-seven million, four hundred eighty-two thousand, five hundred fifty-four".