53742057 has 8 divisors (see below), whose sum is σ = 71690976. Its totient is φ = 35810592.

The previous prime is 53742047. The next prime is 53742061. The reversal of 53742057 is 75024735.

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

It is not a de Polignac number, because 53742057 - 2⁷ = 53741929 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (53742047) 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, 7213 + ... + 12629.

It is an arithmetic number, because the mean of its divisors is an integer number (8961372).

Almost surely, 2^53742057 is an apocalyptic number.

It is an amenable number.

53742057 is a deficient number, since it is larger than the sum of its proper divisors (17948919).

53742057 is a wasteful number, since it uses less digits than its factorization.

53742057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8727.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 53742057 is about 7330.8974211893. The cubic root of 53742057 is about 377.3735248725.

The spelling of 53742057 in words is "fifty-three million, seven hundred forty-two thousand, fifty-seven".