1088457557 has 12 divisors (see below), whose sum is σ = 1197204288. Its totient is φ = 988845000.

The previous prime is 1088457553. The next prime is 1088457563. The reversal of 1088457557 is 7557548801.

It is not a de Polignac number, because 1088457557 - 2² = 1088457553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088457553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333182 + ... + 336432.

It is an arithmetic number, because the mean of its divisors is an integer number (99767024).

Almost surely, 2^1088457557 is an apocalyptic number.

It is an amenable number.

1088457557 is a deficient number, since it is larger than the sum of its proper divisors (108746731).

1088457557 is a wasteful number, since it uses less digits than its factorization.

1088457557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040 (or 6029 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 50.

The square root of 1088457557 is about 32991.7801429386. The cubic root of 1088457557 is about 1028.6567959450.

The spelling of 1088457557 in words is "one billion, eighty-eight million, four hundred fifty-seven thousand, five hundred fifty-seven".