10531755 has 64 divisors (see below), whose sum is σ = 21409920. Its totient is φ = 4866048.

The previous prime is 10531751. The next prime is 10531771. The reversal of 10531755 is 55713501.

10531755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

10531755 is a nontrivial binomial coefficient, being equal to C(4590, 2).

It is not a de Polignac number, because 10531755 - 2² = 10531751 is a prime.

It is a super-2 number, since 2×10531755² = 221835726760050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10531751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29659 + ... + 30011.

It is an arithmetic number, because the mean of its divisors is an integer number (334530).

Almost surely, 2^10531755 is an apocalyptic number.

10531755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10531755 is the 4589-th triangular number and also the 2295-th hexagonal number.

10531755 is an abundant number, since it is smaller than the sum of its proper divisors (10878165).

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

10531755 is a wasteful number, since it uses less digits than its factorization.

10531755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 10531755 is about 3245.2665529968. The cubic root of 10531755 is about 219.1964834514.

The spelling of 10531755 in words is "ten million, five hundred thirty-one thousand, seven hundred fifty-five".