56457541 has 16 divisors (see below), whose sum is σ = 67084288. Its totient is φ = 46494000.

The previous prime is 56457539. The next prime is 56457551. The reversal of 56457541 is 14575465.

It is a happy number.

It is not a de Polignac number, because 56457541 - 2¹ = 56457539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56457541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56457551) 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, 31906 + ... + 33628.

It is an arithmetic number, because the mean of its divisors is an integer number (4192768).

Almost surely, 2^56457541 is an apocalyptic number.

It is an amenable number.

56457541 is a deficient number, since it is larger than the sum of its proper divisors (10626747).

56457541 is a wasteful number, since it uses less digits than its factorization.

56457541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912.

The product of its digits is 84000, while the sum is 37.

The square root of 56457541 is about 7513.8233277074. The cubic root of 56457541 is about 383.6253693113.

It can be divided in two parts, 5 and 6457541, that added together give a palindrome (6457546).

The spelling of 56457541 in words is "fifty-six million, four hundred fifty-seven thousand, five hundred forty-one".