1055616 has 32 divisors (see below), whose sum is σ = 2805000. Its totient is φ = 351744.

The previous prime is 1055611. The next prime is 1055671. The reversal of 1055616 is 6165501.

1055616 = T₅₉ + T₆₀ + ... + T₁₈₆.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1055616² = 2228650278912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991 + ... + 1758.

2^1055616 is an apocalyptic number.

1055616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1055616 is an abundant number, since it is smaller than the sum of its proper divisors (1749384).

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

1055616 is an equidigital number, since it uses as much as digits as its factorization.

1055616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1055616 is about 1027.4317495581. The cubic root of 1055616 is about 101.8205225189.

The spelling of 1055616 in words is "one million, fifty-five thousand, six hundred sixteen".