Search a number
-
+
53057711 = 723329551
BaseRepresentation
bin1100101001100…
…1100010101111
310200211121111102
43022121202233
5102040321321
65133113315
71212661130
oct312314257
9120747442
1053057711
1127a4a053
121592883b
13acb90c5
147091c87
1549d0c0b
hex32998af

53057711 has 8 divisors (see below), whose sum is σ = 63273984. Its totient is φ = 43500600.

The previous prime is 53057707. The next prime is 53057723. The reversal of 53057711 is 11775035.

53057711 = T3890 + T3891 + ... + T3896.

53057711 is nontrivially palindromic in base 6.

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

It is a cyclic number.

It is not a de Polignac number, because 53057711 - 22 = 53057707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53057701) 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, 164615 + ... + 164936.

It is an arithmetic number, because the mean of its divisors is an integer number (7909248).

Almost surely, 253057711 is an apocalyptic number.

53057711 is a deficient number, since it is larger than the sum of its proper divisors (10216273).

53057711 is a wasteful number, since it uses less digits than its factorization.

53057711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329581.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 53057711 is about 7284.0724186406. The cubic root of 53057711 is about 375.7648649643.

The spelling of 53057711 in words is "fifty-three million, fifty-seven thousand, seven hundred eleven".

Divisors: 1 7 23 161 329551 2306857 7579673 53057711