53415442 has 8 divisors (see below), whose sum is σ = 80543232. Its totient is φ = 26567700.

The previous prime is 53415437. The next prime is 53415463. The reversal of 53415442 is 24451435.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53415442.

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, 69534 + ... + 70297.

It is an arithmetic number, because the mean of its divisors is an integer number (10067904).

Almost surely, 2^53415442 is an apocalyptic number.

53415442 is a deficient number, since it is larger than the sum of its proper divisors (27127790).

53415442 is a wasteful number, since it uses less digits than its factorization.

53415442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140024.

The product of its digits is 9600, while the sum is 28.

The square root of 53415442 is about 7308.5868675141. The cubic root of 53415442 is about 376.6074805413.

Adding to 53415442 its reverse (24451435), we get a palindrome (77866877).

It can be divided in two parts, 5341544 and 2, that added together give a triangular number (5341546 = T₃₂₆₈).

The spelling of 53415442 in words is "fifty-three million, four hundred fifteen thousand, four hundred forty-two".