2455542 has 32 divisors (see below), whose sum is σ = 5608800. Its totient is φ = 795744.

The previous prime is 2455529. The next prime is 2455547.

2455542 is nontrivially palindromic in base 10.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (175275).

2^2455542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2455542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2804400).

2455542 is an abundant number, since it is smaller than the sum of its proper divisors (3153258).

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

2455542 is a wasteful number, since it uses less digits than its factorization.

2455542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1271 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 2455542 is about 1567.0169112042. The cubic root of 2455542 is about 134.9115469959.

The spelling of 2455542 in words is "two million, four hundred fifty-five thousand, five hundred forty-two".