53145542 has 8 divisors (see below), whose sum is σ = 81872976. Its totient is φ = 25854552.

The previous prime is 53145517. The next prime is 53145577. The reversal of 53145542 is 24554135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359018 + ... + 359165.

It is an arithmetic number, because the mean of its divisors is an integer number (10234122).

Almost surely, 2^53145542 is an apocalyptic number.

53145542 is a deficient number, since it is larger than the sum of its proper divisors (28727434).

53145542 is a wasteful number, since it uses less digits than its factorization.

53145542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718222.

The product of its digits is 12000, while the sum is 29.

The square root of 53145542 is about 7290.0989019354. The cubic root of 53145542 is about 375.9720959751.

Adding to 53145542 its reverse (24554135), we get a palindrome (77699677).

The spelling of 53145542 in words is "fifty-three million, one hundred forty-five thousand, five hundred forty-two".