5457542 has 4 divisors (see below), whose sum is σ = 8186316. Its totient is φ = 2728770.

The previous prime is 5457533. The next prime is 5457547. The reversal of 5457542 is 2457545.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 5457499 and 5457508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364384 + ... + 1364387.

It is an arithmetic number, because the mean of its divisors is an integer number (2046579).

Almost surely, 2^5457542 is an apocalyptic number.

5457542 is a deficient number, since it is larger than the sum of its proper divisors (2728774).

5457542 is a wasteful number, since it uses less digits than its factorization.

5457542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728773.

The product of its digits is 28000, while the sum is 32.

The square root of 5457542 is about 2336.1382664560. The cubic root of 5457542 is about 176.0620261753.

The spelling of 5457542 in words is "five million, four hundred fifty-seven thousand, five hundred forty-two".