10542558 has 48 divisors (see below), whose sum is σ = 23532336. Its totient is φ = 3144960.

The previous prime is 10542557. The next prime is 10542559. The reversal of 10542558 is 85524501.

It is an interprime number because it is at equal distance from previous prime (10542557) and next prime (10542559).

It is a super-2 number, since 2×10542558² = 222291058366728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10542557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37378 + ... + 37658.

It is an arithmetic number, because the mean of its divisors is an integer number (490257).

Almost surely, 2^10542558 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10542558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11766168).

10542558 is an abundant number, since it is smaller than the sum of its proper divisors (12989778).

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

10542558 is a wasteful number, since it uses less digits than its factorization.

10542558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 10542558 is about 3246.9305505354. The cubic root of 10542558 is about 219.2714051340.

The spelling of 10542558 in words is "ten million, five hundred forty-two thousand, five hundred fifty-eight".