10550772 has 54 divisors (see below), whose sum is σ = 27702038. Its totient is φ = 3383424.

The previous prime is 10550753. The next prime is 10550773. The reversal of 10550772 is 27705501.

It can be written as a sum of positive squares in 3 ways, for example, as 853776 + 9696996 = 924^2 + 3114^2 .

It is a super-2 number, since 2×10550772² = 222637579591968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10550773) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 118504 + ... + 118592.

Almost surely, 2^10550772 is an apocalyptic number.

10550772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10550772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13851019).

10550772 is an abundant number, since it is smaller than the sum of its proper divisors (17151266).

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

10550772 is a wasteful number, since it uses less digits than its factorization.

10550772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 10550772 is about 3248.1951911792. The cubic root of 10550772 is about 219.3283371665.

The spelling of 10550772 in words is "ten million, five hundred fifty thousand, seven hundred seventy-two".