53777542 has 64 divisors (see below), whose sum is σ = 107412480. Its totient is φ = 19603584.

The previous prime is 53777531. The next prime is 53777573. The reversal of 53777542 is 24577735.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 53777495 and 53777504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121173 + ... + 121615.

It is an arithmetic number, because the mean of its divisors is an integer number (1678320).

Almost surely, 2^53777542 is an apocalyptic number.

53777542 is a deficient number, since it is larger than the sum of its proper divisors (53634938).

53777542 is a wasteful number, since it uses less digits than its factorization.

53777542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its digits is 205800, while the sum is 40.

The square root of 53777542 is about 7333.3172575581. The cubic root of 53777542 is about 377.4565644512.

The spelling of 53777542 in words is "fifty-three million, seven hundred seventy-seven thousand, five hundred forty-two".