11057534 has 4 divisors (see below), whose sum is σ = 16586304. Its totient is φ = 5528766.

The previous prime is 11057533. The next prime is 11057539. The reversal of 11057534 is 43575011.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11057534² = 244538116322312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11057533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2764382 + ... + 2764385.

It is an arithmetic number, because the mean of its divisors is an integer number (4146576).

Almost surely, 2^11057534 is an apocalyptic number.

11057534 is a deficient number, since it is larger than the sum of its proper divisors (5528770).

11057534 is an equidigital number, since it uses as much as digits as its factorization.

11057534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528769.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 11057534 is about 3325.2870552781. The cubic root of 11057534 is about 222.7850758257.

The spelling of 11057534 in words is "eleven million, fifty-seven thousand, five hundred thirty-four".