1055516 has 48 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 390720.

The previous prime is 1055503. The next prime is 1055531. The reversal of 1055516 is 6155501.

It is a super-2 number, since 2×1055516² = 2228228052512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1055491 and 1055500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7010 + ... + 7158.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2^1055516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

1055516 is an abundant number, since it is smaller than the sum of its proper divisors (1363684).

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

1055516 is a wasteful number, since it uses less digits than its factorization.

1055516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1055516 is about 1027.3830833725. The cubic root of 1055516 is about 101.8173072165.

The spelling of 1055516 in words is "one million, fifty-five thousand, five hundred sixteen".