13542550 has 24 divisors (see below), whose sum is σ = 28788336. Its totient is φ = 4643040.

The previous prime is 13542539. The next prime is 13542553. The reversal of 13542550 is 5524531.

13542550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18997 + ... + 19696.

It is an arithmetic number, because the mean of its divisors is an integer number (1199514).

Almost surely, 2^13542550 is an apocalyptic number.

13542550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13542550 is an abundant number, since it is smaller than the sum of its proper divisors (15245786).

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

13542550 is a wasteful number, since it uses less digits than its factorization.

13542550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38712 (or 38707 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 13542550 is about 3680.0203803783. The cubic root of 13542550 is about 238.3600580765.

The spelling of 13542550 in words is "thirteen million, five hundred forty-two thousand, five hundred fifty".