53984742 has 16 divisors (see below), whose sum is σ = 123393792. Its totient is φ = 15424200.

The previous prime is 53984731. The next prime is 53984743. The reversal of 53984742 is 24748935.

It is a super-3 number, since 3×53984742³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1285351 = 53984742 / (5 + 3 + 9 + 8 + 4 + 7 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 53984694 and 53984703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53984743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642634 + ... + 642717.

It is an arithmetic number, because the mean of its divisors is an integer number (7712112).

Almost surely, 2^53984742 is an apocalyptic number.

53984742 is an abundant number, since it is smaller than the sum of its proper divisors (69409050).

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

53984742 is a wasteful number, since it uses less digits than its factorization.

53984742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285363.

The product of its digits is 241920, while the sum is 42.

The square root of 53984742 is about 7347.4309796010. The cubic root of 53984742 is about 377.9407118457.

The spelling of 53984742 in words is "fifty-three million, nine hundred eighty-four thousand, seven hundred forty-two".